{"id":279,"date":"2023-08-03T03:28:35","date_gmt":"2023-08-03T03:28:35","guid":{"rendered":"https:\/\/statorials.org\/uk\/%d0%b4%d0%be%d0%b2%d1%96%d1%80%d1%87%d0%b8%d0%b8-%d1%96%d0%bd%d1%82%d0%b5%d1%80%d0%b2%d0%b0%d0%bb-%d0%b4%d0%bb%d1%8f-%d1%80%d1%96%d0%b7%d0%bd%d0%b8%d1%86%d1%96-%d1%81%d0%b5%d1%80%d0%b5%d0%b4%d0%bd\/"},"modified":"2023-08-03T03:28:35","modified_gmt":"2023-08-03T03:28:35","slug":"%d0%b4%d0%be%d0%b2%d1%96%d1%80%d1%87%d0%b8%d0%b8-%d1%96%d0%bd%d1%82%d0%b5%d1%80%d0%b2%d0%b0%d0%bb-%d0%b4%d0%bb%d1%8f-%d1%80%d1%96%d0%b7%d0%bd%d0%b8%d1%86%d1%96-%d1%81%d0%b5%d1%80%d0%b5%d0%b4%d0%bd","status":"publish","type":"post","link":"https:\/\/statorials.org\/uk\/%d0%b4%d0%be%d0%b2%d1%96%d1%80%d1%87%d0%b8%d0%b8-%d1%96%d0%bd%d1%82%d0%b5%d1%80%d0%b2%d0%b0%d0%bb-%d0%b4%d0%bb%d1%8f-%d1%80%d1%96%d0%b7%d0%bd%d0%b8%d1%86%d1%96-%d1%81%d0%b5%d1%80%d0%b5%d0%b4%d0%bd\/","title":{"rendered":"\u0414\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445"},"content":{"rendered":"<p>\u0423 \u0446\u0456\u0439 \u0441\u0442\u0430\u0442\u0442\u0456 \u043f\u043e\u044f\u0441\u043d\u044e\u0454\u0442\u044c\u0441\u044f, \u0449\u043e \u0442\u0430\u043a\u0435 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0443 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u0446\u0456 \u0442\u0430 \u0434\u043b\u044f \u0447\u043e\u0433\u043e \u0432\u0456\u043d \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f. \u041e\u0442\u0436\u0435, \u0432\u0438 \u0434\u0456\u0437\u043d\u0430\u0454\u0442\u0435\u0441\u044c, \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0434\u0432\u043e\u0445 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c, \u0456 \u0432\u043f\u0440\u0430\u0432\u0443 \u0440\u043e\u0437\u0432\u2019\u044f\u0436\u0435\u0442\u0435 \u043a\u0440\u043e\u043a \u0437\u0430 \u043a\u0440\u043e\u043a\u043e\u043c. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-el-intervalo-de-confianza-para-la-diferencia-de-medias\"><\/span> \u042f\u043a\u0438\u0439 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\u0414\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<\/strong> \u2013 \u0446\u0435 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b, \u044f\u043a\u0438\u0439 \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0443\u0454 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0442\u0430 \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f, \u043c\u0456\u0436 \u044f\u043a\u0438\u043c\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0434\u0432\u043e\u0445 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0435\u0439 \u043b\u0435\u0436\u0438\u0442\u044c \u0437 \u043f\u0435\u0432\u043d\u0438\u043c \u0440\u0456\u0432\u043d\u0435\u043c \u0434\u043e\u0432\u0456\u0440\u0438.<\/p>\n<p> \u041d\u0430\u043f\u0440\u0438\u043a\u043b\u0430\u0434, \u044f\u043a\u0449\u043e \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0434\u0432\u043e\u0445 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u0438\u0445 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0435\u0439 \u0437 95% \u0440\u0456\u0432\u043d\u0435\u043c \u0434\u043e\u0432\u0456\u0440\u0438 \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c (3,5), \u0446\u0435 \u043e\u0437\u043d\u0430\u0447\u0430\u0454, \u0449\u043e \u0440\u0456\u0437\u043d\u0438\u0446\u044f \u043c\u0456\u0436 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c\u0438 \u0434\u0432\u043e\u043c\u0430 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u0438\u043c\u0438 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0431\u0443\u0434\u0435 \u043c\u0456\u0436 3 \u0456 5 \u0437 \u0456\u043c\u043e\u0432\u0456\u0440\u043d\u0456\u0441\u0442\u044e 95 %.<\/p>\n<p> \u0422\u043e\u043c\u0443 \u0432 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u0446\u0456 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043e\u0446\u0456\u043d\u043a\u0438 \u0434\u0432\u043e\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c, \u043c\u0456\u0436 \u044f\u043a\u0438\u043c\u0438 \u043b\u0435\u0436\u0438\u0442\u044c \u0440\u0456\u0437\u043d\u0438\u0446\u044f \u043c\u0456\u0436 \u0434\u0432\u043e\u043c\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c\u0438 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044f\u043c\u0438. \u0422\u0430\u043a\u0438\u043c \u0447\u0438\u043d\u043e\u043c, \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u044e\u0447\u0438 \u0434\u0430\u043d\u0456 \u0437 \u0434\u0432\u043e\u0445 \u0432\u0438\u0431\u0456\u0440\u043e\u043a, \u043c\u043e\u0436\u043d\u0430 \u043f\u0440\u0438\u0431\u043b\u0438\u0437\u043d\u043e \u0432\u0438\u0437\u043d\u0430\u0447\u0438\u0442\u0438 \u0440\u0456\u0437\u043d\u0438\u0446\u044e \u043c\u0456\u0436 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c\u0438 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044f\u043c\u0438. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-del-intervalo-de-confianza-para-la-diferencia-de-medias\"><\/span> \u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043b\u044f \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437\u0430\u043b\u0435\u0436\u0438\u0442\u044c \u0432\u0456\u0434 \u0442\u043e\u0433\u043e, \u0447\u0438 \u0432\u0456\u0434\u043e\u043c\u0456 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456, \u0456, \u044f\u043a\u0449\u043e \u043d\u0456, \u0447\u0438 \u043c\u043e\u0436\u043d\u0430 \u0432\u0432\u0430\u0436\u0430\u0442\u0438 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456 \u0440\u0456\u0432\u043d\u0438\u043c\u0438. . \u041f\u043e\u0442\u0456\u043c \u043c\u0438 \u043f\u043e\u0431\u0430\u0447\u0438\u043c\u043e, \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u044e\u0454\u0442\u044c\u0441\u044f \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0443 \u043a\u043e\u0436\u043d\u043e\u043c\u0443 \u0432\u0438\u043f\u0430\u0434\u043a\u0443.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"varianzas-conocidas\"><\/span> \u0432\u0456\u0434\u043e\u043c\u0456 \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043b\u044f \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445, \u043a\u043e\u043b\u0438 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0434\u0432\u043e\u0445 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u0438\u0445 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0435\u0439 \u0432\u0456\u0434\u043e\u043c\u0456<\/strong> \u0437 \u0440\u0456\u0432\u043d\u0435\u043c \u0434\u043e\u0432\u0456\u0440\u0438 1-\u03b1, \u0432\u0438\u0433\u043b\u044f\u0434\u0430\u0454 \u043d\u0430\u0441\u0442\u0443\u043f\u043d\u0438\u043c \u0447\u0438\u043d\u043e\u043c:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-43af3f53a009f90021521508efe8c2a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (\\overline{x_1}-\\overline{x_2})\\pm Z_{\\alpha\/2}\\sqrt{\\frac{\\sigma_1^2}{n_1}+\\frac{\\sigma_2^2}{n_2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"212\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> \u0437\u043e\u043b\u043e\u0442\u043e:<\/p>\n<ul style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a4071a38558726a684ed069430c89fe2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x_i}\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-dc8c8f782c0ed8b7925012b60e174fa3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u043c \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f\u043c \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456 i.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-6f8ee37ecf97c2a7c7d6dbe8fddddc27_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Z_{\\alpha\/2}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"34\" style=\"vertical-align: -8px;\"><\/p>\n<p> \u2013 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0433\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0437 \u0456\u043c\u043e\u0432\u0456\u0440\u043d\u0456\u0441\u0442\u044e \u03b1\/2.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0446\u0435 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<\/ul>\n<p> \u0426\u0435\u0439 \u0432\u0438\u043f\u0430\u0434\u043e\u043a \u0454 \u043d\u0430\u0439\u043c\u0435\u043d\u0448 \u043f\u043e\u0448\u0438\u0440\u0435\u043d\u0438\u043c, \u043e\u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0439 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456, \u044f\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e, \u043d\u0435\u0432\u0456\u0434\u043e\u043c\u0435.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"varianzas-desconocidas-e-iguales\"><\/span> \u043d\u0435\u0432\u0456\u0434\u043e\u043c\u0456 \u0442\u0430 \u0440\u0456\u0432\u043d\u0456 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>\u041a\u043e\u043b\u0438 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0434\u0432\u043e\u0445 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0435\u0439 \u043d\u0435\u0432\u0456\u0434\u043e\u043c\u0456, \u0430\u043b\u0435 \u0457\u0445 \u043c\u043e\u0436\u043d\u0430 \u043e\u0446\u0456\u043d\u0438\u0442\u0438 \u044f\u043a \u0440\u0456\u0432\u043d\u0456, \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043b\u044f \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<\/strong> \u0437 \u0440\u0456\u0432\u043d\u0435\u043c \u0434\u043e\u0432\u0456\u0440\u0438 1-\u03b1 \u0432\u0438\u0433\u043b\u044f\u0434\u0430\u0454 \u043d\u0430\u0441\u0442\u0443\u043f\u043d\u0438\u043c \u0447\u0438\u043d\u043e\u043c:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-0534fc597a2d7842c41a47a907c1b185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (\\overline{x_1}-\\overline{x_2})\\pm t_{\\alpha\/2}s_p\\sqrt{\\frac{1}{n_1}+\\frac{1}{n_2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"222\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> \u0437\u043e\u043b\u043e\u0442\u043e:<\/p>\n<ul style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a4071a38558726a684ed069430c89fe2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x_i}\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-db24109a40d5779feee64c7bccc11371_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s_p\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"15\" style=\"vertical-align: -6px;\"><\/p>\n<p> \u0454 \u0437\u0432\u0435\u0434\u0435\u043d\u0438\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u043c \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f\u043c.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-33bd5d525ddf37600aef97b0c8c08f94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_{\\alpha\/2}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"29\" style=\"vertical-align: -8px;\"><\/p>\n<p> \u0454 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f\u043c t-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0421\u0442\u044c\u044e\u0434\u0435\u043d\u0442\u0430 n <sub>1<\/sub> + n <sub>2<\/sub> -2 \u0441\u0442\u0443\u043f\u0435\u043d\u0456\u0432 \u0441\u0432\u043e\u0431\u043e\u0434\u0438 \u0437 \u0456\u043c\u043e\u0432\u0456\u0440\u043d\u0456\u0441\u0442\u044e \u03b1\/2.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0446\u0435 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<\/ul>\n<p> \u041e\u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u0432 \u0446\u044c\u043e\u043c\u0443 \u0432\u0438\u043f\u0430\u0434\u043a\u0443 \u043f\u0435\u0440\u0435\u0434\u0431\u0430\u0447\u0430\u0454\u0442\u044c\u0441\u044f, \u0449\u043e \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0433\u0435\u043d\u0435\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456 \u0435\u043a\u0432\u0456\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u0456, \u043a\u043e\u043c\u0431\u0456\u043d\u043e\u0432\u0430\u043d\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0435 \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443, \u044f\u043a\u0438\u0439 \u043e\u0431\u0447\u0438\u0441\u043b\u044e\u0454\u0442\u044c\u0441\u044f \u0437\u0430 \u0442\u0430\u043a\u043e\u044e \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u044e:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a8fb43d179e453d19f5781319aa9e1ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle s_p=\\sqrt{\\frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"240\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p> \u0437\u043e\u043b\u043e\u0442\u043e<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-2071979c45a4a9e06d8cccc739ffc771_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"13\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u043c \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"varianzas-desconocidas-y-diferentes\"><\/span> \u041d\u0435\u0432\u0456\u0434\u043e\u043c\u0456 \u0442\u0430 \u0440\u0456\u0437\u043d\u0456 \u0432\u0430\u0440\u0456\u0430\u0446\u0456\u0457<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>\u041a\u043e\u043b\u0438 \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0434\u0432\u043e\u0445 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0435\u0439 \u043d\u0435\u0432\u0456\u0434\u043e\u043c\u0456 \u0442\u0430 \u043d\u0435 \u043c\u043e\u0436\u0443\u0442\u044c \u0432\u0432\u0430\u0436\u0430\u0442\u0438\u0441\u044f \u0440\u0456\u0432\u043d\u0438\u043c\u0438, \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043b\u044f \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043a\u0443 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<\/strong> \u0437 \u0440\u0456\u0432\u043d\u0435\u043c \u0434\u043e\u0432\u0456\u0440\u0438 1-\u03b1 \u0432\u0438\u0433\u043b\u044f\u0434\u0430\u0454 \u043d\u0430\u0441\u0442\u0443\u043f\u043d\u0438\u043c \u0447\u0438\u043d\u043e\u043c:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ef56281d972a143678514c47fed3690d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (\\overline{x_1}-\\overline{x_2})\\pm t_{\\alpha\/2}\\sqrt{\\frac{s_1^2}{n_1}+\\frac{s_2^2}{n_2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"206\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> \u0437\u043e\u043b\u043e\u0442\u043e: <\/p>\n<ul style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a4071a38558726a684ed069430c89fe2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x_i}\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-2071979c45a4a9e06d8cccc739ffc771_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"13\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u043c \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-33bd5d525ddf37600aef97b0c8c08f94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_{\\alpha\/2}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"29\" style=\"vertical-align: -8px;\"><\/p>\n<p> \u2013 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f t-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0421\u0442\u044c\u044e\u0434\u0435\u043d\u0442\u0430 \u0437 \u0456\u043c\u043e\u0432\u0456\u0440\u043d\u0456\u0441\u0442\u044e \u03b1\/2.<\/li>\n<li style=\"margin-bottom:5px\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0446\u0435 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i.<\/li>\n<\/ul>\n<p> \u0423 \u0446\u044c\u043e\u043c\u0443 \u0432\u0438\u043f\u0430\u0434\u043a\u0443 \u0441\u0442\u0443\u043f\u0435\u043d\u0456 \u0432\u0456\u043b\u044c\u043d\u043e\u0441\u0442\u0456 t-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0421\u0442\u044c\u044e\u0434\u0435\u043d\u0442\u0430 \u0440\u043e\u0437\u0440\u0430\u0445\u043e\u0432\u0443\u044e\u0442\u044c\u0441\u044f \u0437\u0430 \u0442\u0430\u043a\u043e\u044e \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u044e:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ecf1ccfa1ecb47b889c569e5faa65a78_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle GL=\\frac{\\displaystyle\\left(\\frac{s_1^2}{n_1}+\\frac{s_2^2}{n_2}\\right)^2}{\\displaystyle\\frac{\\displaystyle\\frac{s_1^2}{n_1}}{n_1-1}+\\frac{\\displaystyle\\frac{s_2^2}{n_2}}{n_2-1}}\" title=\"Rendered by QuickLaTeX.com\" height=\"115\" width=\"180\" style=\"vertical-align: -61px;\"><\/p>\n<\/p>\n<p> \u0437\u043e\u043b\u043e\u0442\u043e<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-2071979c45a4a9e06d8cccc739ffc771_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"13\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0454 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u043c \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f\u043c \u0432\u0438\u0431\u0456\u0440\u043a\u0438 i. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 20px; padding-left: 30px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\u0414\u0438\u0432.:<\/strong> <a href=\"https:\/\/statorials.org\/uk\/\u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0438-\u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b-\u0434\u043b\u044f-\u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e\u0433\u043e\/\">\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0441\u0435\u0440\u0435\u0434\u043d\u044c\u043e\u0433\u043e<\/a> <\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-resuelto-del-intervalo-de-confianza-para-la-diferencia-de-medias\"><\/span> \u041a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u0438\u0439 \u043f\u0440\u0438\u043a\u043b\u0430\u0434 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u041e\u0437\u043d\u0430\u0439\u043e\u043c\u0438\u0432\u0448\u0438\u0441\u044c \u0456\u0437 \u0432\u0438\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f\u043c \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0456 \u044f\u043a\u0438\u043c\u0438 \u0454 \u0440\u0456\u0437\u043d\u0456 \u0444\u043e\u0440\u043c\u0443\u043b\u0438, \u0442\u0435\u043f\u0435\u0440 \u043c\u0438 \u043f\u043e\u0431\u0430\u0447\u0438\u043c\u043e \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u0438\u0439 \u043f\u0440\u0438\u043a\u043b\u0430\u0434, \u0449\u043e\u0431 \u0437\u0430\u043a\u0456\u043d\u0447\u0438\u0442\u0438 \u0437\u0430\u0441\u0432\u043e\u0454\u043d\u043d\u044f \u0442\u043e\u0433\u043e, \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u044e\u0454\u0442\u044c\u0441\u044f \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0434\u0432\u043e\u0445 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445.<\/p>\n<ul>\n<li> \u041c\u0438 \u0445\u043e\u0447\u0435\u043c\u043e \u0432\u0438\u0432\u0447\u0438\u0442\u0438 \u0432\u043f\u043b\u0438\u0432 \u0442\u044e\u0442\u044e\u043d\u0443 \u043d\u0430 \u0432\u0430\u0433\u0443 \u0434\u0456\u0442\u0435\u0439 \u043f\u0440\u0438 \u043d\u0430\u0440\u043e\u0434\u0436\u0435\u043d\u043d\u0456. \u0414\u043b\u044f \u0446\u044c\u043e\u0433\u043e \u043f\u043e\u0440\u0456\u0432\u043d\u044e\u044e\u0442\u044c \u0434\u0432\u0456 \u0432\u0438\u0431\u0456\u0440\u043a\u0438: \u043f\u0435\u0440\u0448\u0443 \u0441\u043a\u043b\u0430\u0434\u0430\u044e\u0442\u044c \u0434\u0456\u0442\u0438, \u043c\u0430\u0442\u0435\u0440\u0456 \u044f\u043a\u0438\u0445 \u043d\u0435 \u043a\u0443\u0440\u0438\u043b\u0438, \u0430 \u0434\u0440\u0443\u0433\u0443 \u2013 \u0434\u0456\u0442\u0438, \u043c\u0430\u0442\u0435\u0440\u0456 \u044f\u043a\u0438\u0445 \u043a\u0443\u0440\u044f\u0442\u044c (\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 \u0432\u043a\u0430\u0437\u0430\u043d\u0456 \u043d\u0438\u0436\u0447\u0435). \u041e\u0431\u0447\u0438\u0441\u043b\u0456\u0442\u044c \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u043c \u0440\u0456\u0432\u043d\u0435\u043c 95%.\n<ol>\n<li> \u041c\u0430\u0442\u0435\u0440\u0456, \u044f\u043a\u0456 \u043d\u0435 \u043a\u0443\u0440\u044f\u0442\u044c:\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-1493306090541d3c6e01455a25d1fecc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x_1}=3,1 \\ kg \\quad s_1=0,6 \\ kg \\quad n_1=39\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"277\" style=\"vertical-align: -4px;\"><\/p>\n<\/li>\n<li> \u041c\u0430\u0442\u0435\u0440\u0456, \u0449\u043e \u043f\u0430\u043b\u044f\u0442\u044c:\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-8b01145787503a21957331cbe3785111_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x_2}=3,5 \\ kg \\quad s_2=0,4 \\ kg\\quad n_2=43\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"277\" style=\"vertical-align: -4px;\"><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p> \u0423 \u0446\u044c\u043e\u043c\u0443 \u0432\u0438\u043f\u0430\u0434\u043a\u0443 \u043c\u0438 \u043d\u0435 \u0437\u043d\u0430\u0454\u043c\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u044c \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0439 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456, \u043e\u0434\u043d\u0430\u043a \u043c\u0438 \u043c\u043e\u0436\u0435\u043c\u043e \u043f\u0440\u0438\u043f\u0443\u0441\u0442\u0438\u0442\u0438, \u0449\u043e \u0434\u0438\u0441\u043f\u0435\u0440\u0441\u0456\u0457 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u0456 \u0435\u043a\u0432\u0456\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u0456, \u043e\u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u043c\u0438 \u043c\u0430\u0454\u043c\u043e \u0441\u043f\u0440\u0430\u0432\u0443 \u0437 \u0434\u0432\u043e\u043c\u0430 \u0441\u0443\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0437 \u0434\u0443\u0436\u0435 \u043f\u043e\u0434\u0456\u0431\u043d\u0438\u043c\u0438 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430\u043c\u0438. \u041e\u0442\u0436\u0435, \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445, \u044f\u043a\u0443 \u043c\u0438 \u043f\u043e\u0432\u0438\u043d\u043d\u0456 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438, \u0442\u0430\u043a\u0430:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-0534fc597a2d7842c41a47a907c1b185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (\\overline{x_1}-\\overline{x_2})\\pm t_{\\alpha\/2}s_p\\sqrt{\\frac{1}{n_1}+\\frac{1}{n_2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"222\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p> \u0422\u0430\u043a\u0438\u043c \u0447\u0438\u043d\u043e\u043c, \u043c\u0438 \u043e\u0431\u0447\u0438\u0441\u043b\u044e\u0454\u043c\u043e \u043a\u043e\u043c\u0431\u0456\u043d\u043e\u0432\u0430\u043d\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0435 \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u043d\u044f \u0432\u0456\u0434 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u0445 \u0432\u0456\u0434\u0445\u0438\u043b\u0435\u043d\u044c \u0434\u0432\u043e\u0445 \u0437\u0440\u0430\u0437\u043a\u0456\u0432:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-688958252e9838e7fddc2ddcb9061b01_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\displaystyle s_p&amp;=\\sqrt{\\frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-2}}\\\\[2ex]\\displaystyle s_p&amp;=\\sqrt{\\frac{(39-1)\\cdot 0,6^2+(43-1)\\cdot 0,4^2}{39+43-2}}\\\\[2ex]\\displaystyle s_p&amp;=0,50\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"161\" width=\"299\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0430\u043a \u0441\u0430\u043c\u043e \u043c\u0438 \u043f\u043e\u0432\u0438\u043d\u043d\u0456 \u0437\u043d\u0430\u0439\u0442\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f t-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0421\u0442\u044c\u044e\u0434\u0435\u043d\u0442\u0430 80 \u0441\u0442\u0443\u043f\u0435\u043d\u0456\u0432 \u0441\u0432\u043e\u0431\u043e\u0434\u0438 \u0437 \u0456\u043c\u043e\u0432\u0456\u0440\u043d\u0456\u0441\u0442\u044e 2,5% \u0443 <a href=\"https:\/\/statorials.org\/uk\/\u0443\u0447\u0435\u043d\u044c-t-\u0442\u0430\u0431\u043b\u0438\u0446\u044f-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443\/\">\u0442\u0430\u0431\u043b\u0438\u0446\u0456 \u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0439\u043c\u043e\u0432\u0456\u0440\u043d\u043e\u0441\u0442\u0435\u0439 t-\u0440\u043e\u0437\u043f\u043e\u0434\u0456\u043b\u0443 \u0421\u0442\u044c\u044e\u0434\u0435\u043d\u0442\u0430<\/a> :<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-776a555edd1d064cf29a3a354caa5325_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1-\\alpha=0,95 \\ \\color{orange}\\bm{\\longrightarrow}\\color{black} \\ \\alpha=0,05 \\ \\color{orange}\\bm{\\longrightarrow}\\color{black}\\ \\alpha\/2=0,025\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"534\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5e4ea90fdc33c9a3d3dab0f1d9d29af0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}t_{\\alpha\/2| n_1+n_2-2}= \\ \\color{orange}\\bm{?}\\\\[4ex]t_{0,025|80}=1,990\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"72\" width=\"184\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u041d\u0430\u0440\u0435\u0448\u0442\u0456, \u043c\u0438 \u043f\u0456\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0454\u043c\u043e \u0434\u0430\u043d\u0456 \u0443 \u0444\u043e\u0440\u043c\u0443\u043b\u0443 \u0434\u043e\u0432\u0456\u0440\u0447\u043e\u0433\u043e \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b\u0443 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0456 \u0432\u0438\u043a\u043e\u043d\u0443\u0454\u043c\u043e \u043e\u0431\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044f: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-0534fc597a2d7842c41a47a907c1b185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (\\overline{x_1}-\\overline{x_2})\\pm t_{\\alpha\/2}s_p\\sqrt{\\frac{1}{n_1}+\\frac{1}{n_2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"222\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-7c0a07bffc585f3c89a19ef1de2fc441_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (3,1-3,5)\\pm 1,990\\cdot 0,5\\cdot\\sqrt{\\frac{1}{39}+\\frac{1}{43}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"285\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-4863b308e6ac856e407d75022a40aa23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -0,4\\pm 0,22\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"94\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> \u041e\u0442\u0436\u0435, \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0438 \u0442\u0430\u043a\u0438\u0439: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-8e399a671d64c87e8c9deda851850a00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(-0,61,-0,18)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"117\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 20px; padding-left: 30px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>\u0414\u0438\u0432.:<\/strong> <a href=\"https:\/\/statorials.org\/uk\/\u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430-\u0433\u0456\u043f\u043e\u0442\u0435\u0437\u0438-\u043d\u0430-\u0440\u0456\u0437\u043d\u0438\u0446\u044e-\u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445\/\">\u041a\u043e\u043d\u0442\u0440\u0430\u0441\u0442 \u0433\u0456\u043f\u043e\u0442\u0435\u0437 \u0449\u043e\u0434\u043e \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0423 \u0446\u0456\u0439 \u0441\u0442\u0430\u0442\u0442\u0456 \u043f\u043e\u044f\u0441\u043d\u044e\u0454\u0442\u044c\u0441\u044f, \u0449\u043e \u0442\u0430\u043a\u0435 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0443 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u0446\u0456 \u0442\u0430 \u0434\u043b\u044f \u0447\u043e\u0433\u043e \u0432\u0456\u043d \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0454\u0442\u044c\u0441\u044f. \u041e\u0442\u0436\u0435, \u0432\u0438 \u0434\u0456\u0437\u043d\u0430\u0454\u0442\u0435\u0441\u044c, \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0434\u0432\u043e\u0445 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c, \u0456 \u0432\u043f\u0440\u0430\u0432\u0443 \u0440\u043e\u0437\u0432\u2019\u044f\u0436\u0435\u0442\u0435 \u043a\u0440\u043e\u043a \u0437\u0430 \u043a\u0440\u043e\u043a\u043e\u043c. \u042f\u043a\u0438\u0439 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445? \u0414\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445 \u2013 \u0446\u0435 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b, \u044f\u043a\u0438\u0439 \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0443\u0454 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0442\u0430 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 \u0414\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445<\/title>\n<meta name=\"description\" content=\"\u0422\u0443\u0442 \u0432\u0438 \u0437\u043d\u0430\u0439\u0434\u0435\u0442\u0435, \u0449\u043e \u0442\u0430\u043a\u0435 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0446\u0456 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0445, \u044f\u043a \u0432\u0456\u043d 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