{"id":76,"date":"2023-08-05T17:33:30","date_gmt":"2023-08-05T17:33:30","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7%e1%86%ab%e1%84%8e%e1%85%a1-%e1%84%84%e1%85%a9%e1%84%82%e1%85%b3%e1%86%ab-%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7\/"},"modified":"2023-08-05T17:33:30","modified_gmt":"2023-08-05T17:33:30","slug":"%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7%e1%86%ab%e1%84%8e%e1%85%a1-%e1%84%84%e1%85%a9%e1%84%82%e1%85%b3%e1%86%ab-%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7%e1%86%ab%e1%84%8e%e1%85%a1-%e1%84%84%e1%85%a9%e1%84%82%e1%85%b3%e1%86%ab-%e1%84%91%e1%85%ad%e1%84%8c%e1%85%ae%e1%86%ab%e1%84%91%e1%85%a7\/","title":{"rendered":"\ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)"},"content":{"rendered":"<p>\uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \ud45c\uc900 \ud3b8\ucc28\ub77c\uace0\ub3c4 \ud558\ub294 \ud45c\uc900 \ud3b8\ucc28\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ud45c\uc900 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95, \ub2e8\uacc4\ubcc4 \uc2e4\uc81c \uc608\uc81c \ubc0f \ubaa8\ub4e0 \ub370\uc774\ud130 \uc0d8\ud50c\uc758 \ud45c\uc900 \ud3b8\ucc28\ub97c \ucc3e\ub294 \uc628\ub77c\uc778 \uacc4\uc0b0\uae30\ub97c \ubc30\uc6b0\uac8c \ub429\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-desviacion-estandar-o-desviacion-tipica\"><\/span> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ud45c\uc900\ud3b8\ucc28<\/strong> \ub77c\uace0\ub3c4 \ubd88\ub9ac\ub294 <strong>\ud45c\uc900\ud3b8\ucc28<\/strong> \ub294 \ud1b5\uacc4\uc801 \ubd84\uc0b0\uc758 \ucc99\ub3c4\uc785\ub2c8\ub2e4. \uc989, \ud45c\uc900\ud3b8\ucc28\ub294 \uc77c\ub828\uc758 \ud1b5\uacc4 \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c <strong>\ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub294 \ubaa8\uc9d1\ub2e8\uc774\ub098 \ud1b5\uacc4 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uc815\ub7c9\ud654\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/strong> \ub370\uc774\ud130 \uacc4\uc5f4\uc758 \ud45c\uc900 \ud3b8\ucc28\uac00 \ud074\uc218\ub85d \ub370\uc774\ud130\uac00 \ub354 \ub9ce\uc774 \ubd84\uc0b0\ub429\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud574\uc11d\uc740 \ub2e4\ub978 \ubc29\ud5a5\uc73c\ub85c\ub3c4 \uc218\ud589\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \ud3b8\ucc28\uac00 \ub0ae\ub2e4\uba74 \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130\uac00 \ud3c9\uade0\uc5d0 \ub9e4\uc6b0 \uac00\uae5d\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p> \ubaa8\uc9d1\ub2e8\uc5d0 \ub300\ud55c \ud45c\uc900 \ud3b8\ucc28 \ub610\ub294 \uc77c\ubc18 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud560 \ub54c <strong>\ud45c\uc900 \ud3b8\ucc28 \uae30\ud638\ub294<\/strong> \uadf8\ub9ac\uc2a4 \ubb38\uc790 \uc2dc\uadf8\ub9c8(\u03c3)\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud45c\ubcf8 \ud45c\uc900 \ud3b8\ucc28\uc758 \uacbd\uc6b0 \ubb38\uc790 s\ub294 \ud1b5\uacc4 \uce21\uc815\uc744 \ub098\ud0c0\ub0b4\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p> \uc77c\ubd80 \ud1b5\uacc4 \ubc0f \ud655\ub960 \ucc45\uc5d0\uc11c\ub294 \ud45c\uc900 \ud3b8\ucc28\ub97c \ud45c\uc900 \ud3b8\ucc28\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-de-la-desviacion-estandar-o-desviacion-tipica\"><\/span> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28) \uacf5\uc2dd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub294 \ub370\uc774\ud130 \uacc4\uc5f4\uc758 \ud3b8\ucc28 \uc81c\uacf1\ud569\uc744 \ucd1d \uad00\uce21\uce58 \uc218\ub85c \ub098\ub208 \uac12\uc758 \uc81c\uacf1\uadfc\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c <strong>\ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub97c \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc740<\/strong> \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/ecart-type-ecart-type.png\" alt=\"\ud45c\uc900\ud3b8\ucc28, \ud45c\uc900\ud3b8\ucc28\" class=\"wp-image-1652\" width=\"334\" height=\"334\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \ud83d\udc49 <u style=\"text-decoration-color:#FF8A05;\">\uc544\ub798 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ud45c\uc900 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/u><\/p>\n<p> \uacb0\ub860\uc801\uc73c\ub85c, \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ud45c\uc900\ud3b8\ucc28\ub97c \ucc3e\uc73c\ub824\uba74 \ubaa8\ub4e0 \ud3b8\ucc28(\ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uc640 \uc0b0\uc220 \ud3c9\uade0\uc758 \ucc28\uc774\ub85c \uc815\uc758\ub428)\ub97c \uacc4\uc0b0\ud558\uace0 \ud3b8\ucc28\ub97c 2\ub85c \ub298\ub9b0 \ub2e4\uc74c \ubaa8\ub450 \ub354\ud55c \ub2e4\uc74c \ub2e4\uc74c\uc73c\ub85c \ub098\ub204\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ucd1d. \ub370\uc774\ud130 \uc218\ub97c \uacc4\uc0b0\ud558\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc81c\uacf1\uadfc\uc744 \ucde8\ud569\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-desviacion-estandar-o-desviacion-tipica\"><\/span> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ub300\ud45c\ud3b8\ucc28)\uc758 \uc815\uc758\ub97c \uace0\ub824\ud558\uc5ec, \uc544\ub798\uc5d0\uc11c\ub294 \ub370\uc774\ud130 \uc2dc\ub9ac\uc988\uc758 \ud45c\uc900\ud3b8\ucc28\uac00 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0 \ub2e8\uacc4\ubcc4 \uc608\uc2dc\ub97c \ud1b5\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> 3, 6, 2, 9, 4 \uac12\uc758 \ud45c\uc900\ud3b8\ucc28\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p> \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \ud45c\ubcf8 \ud3c9\uade0\uc744 \uacb0\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c \ub354\ud558\uace0 \ucd1d \uad00\uce21\uce58 \uc218\uc778 5\ub85c \ub098\ub215\ub2c8\ub2e4.<\/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-29d93bdafc53afa6ed1e684cdf0ed8cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x}=\\cfrac{3+6+2+9+4}{5}=4,8\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"216\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \ud45c\uc900\ud3b8\ucc28 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/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-94d7422dac6b694a42e1dcd6485e681e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma=\\sqrt{\\frac{\\displaystyle\\sum_{i=1}^N(x_i-\\overline{x})^2}{N}}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"152\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \ub370\uc774\ud130\ub97c \uacf5\uc2dd\uc73c\ub85c \ub300\uccb4\ud569\ub2c8\ub2e4.<\/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-049d3262c2c56e3c39cae6c520dd2e67_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma =\\sqrt{\\frac{(3-4,8)^2+(6-4,8)^2+(2-4,8)^2+(9-4,8)^2+(4-4,8)^2}{5}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"531\" style=\"vertical-align: -13px;\"><\/p>\n<\/p>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ud45c\uc900\ud3b8\ucc28\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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-d52b5396ff383310226cf152a9bf87ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}\\displaystyle\\sigma &amp; = \\sqrt{\\frac{(-1,8)^2+1,2^2+(-2,8)^2+4,2^2+(-0,8)^2}{5}}\\\\[2ex]&amp;=\\sqrt{\\frac{3,24+1,44+7,84+17,64+0,64}{5}}\\\\[2ex]&amp;= \\sqrt{\\frac{30,8}{5}}=\\sqrt{6,16}=2,48 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"173\" width=\"392\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"calculadora-de-la-desviacion-estandar-o-desviacion-tipica\"><\/span> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28) \uacc4\uc0b0\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub2e4\uc74c \uc628\ub77c\uc778 \uacc4\uc0b0\uae30\uc5d0 \uc77c\ub828\uc758 \ud1b5\uacc4 \ub370\uc774\ud130\ub97c \uc785\ub825\ud558\uc5ec \ud45c\uc900 \ud3b8\ucc28(\ub610\ub294 \ud45c\uc900 \ud3b8\ucc28)\ub97c \uacc4\uc0b0\ud558\uc138\uc694. \ub370\uc774\ud130\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ud574\uc57c \ud558\uba70 \uc18c\uc218\uc810 \uad6c\ubd84 \uae30\ud638\ub85c \ub9c8\uce68\ud45c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc785\ub825\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<form action=\"\" method=\"post\"><textarea name=\"datos\" style=\"border:1.5px solid #4FC3F7; border-radius:15px;\" placeholder=\"3 6 2 9 0.7 4 ...\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce los datos aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><\/textarea><\/p>\n<div style=\"text-align:center\"><input align=\"center\" style=\"border-radius:30px; margin: 20px\" type=\"submit\" name=\"submit\" value=\"\ud45c\uc900\ud3b8\ucc28 \uacc4\uc0b0\"><\/div>\n<\/form>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"desviacion-estandar-o-tipica-para-datos-agrupados\"><\/span> \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900(\ub610\ub294 \uc77c\ubc18) \ud3b8\ucc28<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\uac04\uaca9\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28(\ub610\ub294 \ud45c\uc900 \ud3b8\ucc28)\ub97c \uacc4\uc0b0\ud558\ub824\uba74<\/strong> \ub2e4\uc74c \ub2e8\uacc4\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc744 \uad6c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uac01 \uac04\uaca9\uc744 \uc81c\uacf1\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uac01 \uc774\uc804 \uacb0\uacfc\uc5d0 \ud574\ub2f9 \uac04\uaca9\uc758 \ube48\ub3c4\ub97c \uacf1\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc774\uc804 \ub2e8\uacc4\uc5d0\uc11c \uc5bb\uc740 \ubaa8\ub4e0 \uac12\uc758 \ud569\uacc4\ub97c \ub354\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\ucd1d \uad00\ucc30 \uc218\ub85c \ub098\ub215\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\">\uc774\uc804 \uac12\uc758 \uc81c\uacf1\uadfc\uc744 \ucde8\ud569\ub2c8\ub2e4. \uacb0\uacfc \uc22b\uc790\ub294 \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28\uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ol>\n<p> \uacb0\ub860\uc801\uc73c\ub85c \uad6c\uac04\ubcc4\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900\ud3b8\ucc28\ub97c \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/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-6a435319a8eafa0c374dc44e85709b4c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma=\\sqrt{\\frac{\\displaystyle\\sum_{i=1}^N\\left(x_i-\\overline{x}\\right)^2\\cdot f_i }{N}}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"182\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p> \uc77c\ubc18\uc801\uc73c\ub85c \uc704\uc758 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc9c0\ub9cc, \ub3d9\uc77c\ud55c \uacb0\uacfc\uac00 \ub098\uc624\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ub300\uc218\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/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-b2a1493ab90f08b0bc32dfa9a4108590_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma=\\sqrt{\\frac{\\displaystyle\\sum_{i=1}^n x_i^2\\cdot f_i }{N}-\\overline{x}^2}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"170\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uc774\uac83\uc774 \uc5b4\ub5bb\uac8c \uc218\ud589\ub418\ub294\uc9c0 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \uac04\uaca9\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc5f0\uc2b5\uc785\ub2c8\ub2e4. \ubcf4\ub2e4 \uc815\ud655\ud558\uac8c\ub294 \ub2e4\uc74c \ud1b5\uacc4 \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28\uac00 \uacc4\uc0b0\ub429\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/exemple-de-donnees-regroupees-en-intervalles.png\" alt=\"\uac04\uaca9\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \uc608\" class=\"wp-image-1679\" width=\"244\" height=\"180\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uba3c\uc800 \uc0b0\uc220 \ud3c9\uade0\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud574 \uac01 \uac04\uaca9\uc758 \ud074\ub798\uc2a4 \uc810\uc218\uc5d0 \ud574\ub2f9 \ube48\ub3c4\ub97c \uacf1\ud569\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/calcul-de-table-de-donnees.png\" alt=\"\" class=\"wp-image-1682\" width=\"326\" height=\"180\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \ub530\ub77c\uc11c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/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-ce59b9a32c04cd7349126ce0539db196_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{x}=\\cfrac{\\displaystyle\\sum_{i=1}^n x_i\\cdot f_i}{N}=\\cfrac{46200}{100}=462\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"229\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> \uc774\uc81c \ud3c9\uade0 \uac12\uc744 \uc54c\uc558\uc73c\ubbc0\ub85c \ub370\uc774\ud130 \ud14c\uc774\ube14\uc5d0 \ub2e4\uc74c \uc138 \uac1c\uc758 \uc5f4\uc744 \ucd94\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/exercice-resolu-ecart-type-donnees-groupees.png\" alt=\"\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ud45c\uc900 \ud3b8\ucc28 \ub610\ub294 \ud45c\uc900 \ud3b8\ucc28\uc758 \ud574\uacb0 \uc5f0\uc2b5\" class=\"wp-image-1683\" width=\"606\" height=\"180\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uadf8\ub7f0 \ub2e4\uc74c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28\ub294 \ub9c8\uc9c0\ub9c9 \uc5f4 \ud569\uacc4\uc758 \uc81c\uacf1\uadfc\uc744 \ucd1d \uad00\ucc30 \uc218\ub85c \ub098\ub208 \uacb0\uacfc\uac00 \ub429\ub2c8\ub2e4. <\/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-71f6868fe660a5b263f7dba58b823e4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma=\\sqrt{\\frac{\\displaystyle\\sum_{i=1}^N\\left(x_i-\\overline{x}\\right)^2\\cdot f_i }{N}}=\\sqrt{\\frac{1445600}{100}}=120,23\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"365\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"desviacion-estandar-o-tipica-y-varianza\"><\/span> \ud45c\uc900(\ub610\ub294 \uc77c\ubc18) \ud3b8\ucc28 \ubc0f \ubd84\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \uc77c\ubc18\ud3b8\ucc28)\uc640 \ubd84\uc0b0 \uc0ac\uc774\uc758 \uad00\uacc4\ub294<\/strong> \ud45c\uc900\ud3b8\ucc28\uac00 \ubd84\uc0b0\uc758 \uc81c\uacf1\uadfc\uc774\ub77c\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0 \uac12\uc744 \uc54c\uace0 \uc788\uc73c\uba74 \uc81c\uacf1\uadfc\uc744 \ucde8\ud558\uc5ec \ud45c\uc900 \ud3b8\ucc28\ub97c \uc27d\uac8c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ub294 \ubc18\ub300\ub85c \ud45c\uc900\ud3b8\ucc28\ub97c \uc54c\uace0 \uc788\ub2e4\uba74 \uadf8 \uac12\uc744 \uc81c\uacf1\ud558\uc5ec \ubd84\uc0b0\uc744 \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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-0c71ab111d7c483a2ad04cb5e9618da4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\sigma^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"103\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \uc2e4\uc81c\ub85c \ubd84\uc0b0\uc740 \ud45c\uc900\ud3b8\ucc28 \uc81c\uacf1 \uae30\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud788 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0\uc758 \uae30\ud638\ub294 \uc2dc\uadf8\ub9c8 \uc81c\uacf1(\u03c3 <sup>2<\/sup> )\uc774\uace0 \ud45c\ubcf8 \ubd84\uc0b0\uc758 \uae30\ud638\ub294 s \uc81c\uacf1(s <sup>2<\/sup> )\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c \ud45c\uc900 \ud3b8\ucc28\uc640 \ubd84\uc0b0\uc758 \uac1c\ub150\uc740 \ub458 \ub2e4 \uc77c\ub828\uc758 \ud1b5\uacc4 \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \ubcf4\uc5ec\uc8fc\uae30 \ub54c\ubb38\uc5d0 \uc720\uc0ac\ud55c \ud574\uc11d\uc744 \uac16\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-desviacion-estandar-o-desviacion-tipica\"><\/span> \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\uc758 \uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud45c\uc900\ud3b8\ucc28\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc18d\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ub370\uc774\ud130 \uc0d8\ud50c\uc758 \ud45c\uc900 \ud3b8\ucc28\ub294 \uc74c\uc218\uac00 \ub420 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-6dc2fa2a98bf03919de68092ecd42e0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma \\ge 0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"43\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<ul>\n<li> \ubaa8\ub4e0 \ub370\uc774\ud130\uac00 \ub3d9\uc77c\ud558\uba74 \ud45c\uc900\ud3b8\ucc28\ub294 0\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5771378afa7d193b85b4075fea1ddbca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma =0\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li> \ubaa8\ub4e0 \ub370\uc774\ud130\uc5d0 \uc0c1\uc218\ud56d\uc744 \ucd94\uac00\ud574\ub3c4 \ud45c\uc900\ud3b8\ucc28 \uac12\uc740 \ubcc0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-12ed23ebb645e96aa0b8262997874bf1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma (X+k)=\\sigma (X)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"135\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \ubaa8\ub4e0 \ub370\uc774\ud130\uc5d0 \uc22b\uc790\ub97c \uacf1\ud558\uba74 \ud45c\uc900\ud3b8\ucc28\uc5d0 \ud574\ub2f9 \uc22b\uc790\uc758 \uc808\ub300\uac12\uc774 \uacf1\ud574\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-2464c848bfc171c1800da25602ac68bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma (k\\cdot X)=|k|\\cdot \\sigma (X)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"159\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li> \ub450 \ud655\ub960 \ubcc0\uc218\uc758 \ud569\uc758 \ud45c\uc900 \ud3b8\ucc28\ub294 \ubcc0\uc218 \ubd84\uc0b0 \ud569\uc758 \uc81c\uacf1\uadfc\uc5d0 \ub450 \ubcc0\uc218 \uac04\uc758 \uacf5\ubd84\uc0b0\uc758 \ub450 \ubc30\ub97c \ub354\ud55c \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-7a5efdb8faca6ce59563063a6a8d9bc0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" \\sigma(X+Y)=\\sqrt{Var(X)+Var(Y)+2\\cdot Cov(X,Y)}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"388\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<ul>\n<li> \ub2e4\uc591\ud55c \ubd84\ud3ec\uc758 \ud45c\uc900\ud3b8\ucc28(\u03c3 <sub>i<\/sub> )\uc640 \ud574\ub2f9 \ub370\uc774\ud130 \uc218( <sub>ni<\/sub> )\ub97c \uc54c\uace0 \uc788\uc73c\uba74 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \uc804\uccb4 \ud45c\uc900\ud3b8\ucc28\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-7d2dca2d1ca2836361422677310d960a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sigma=\\sqrt{\\frac{\\displaystyle \\sum_{i=1}^N n_i\\cdot \\sigma_i^2}{\\displaystyle \\sum_{i=1}^N n_i}}=\\sqrt{\\frac{\\displaystyle n_1\\cdot \\sigma_1^2+n_2\\cdot \\sigma_2^2+\\dots +n_N\\cdot \\sigma_N^2}{\\displaystyle n_1+n_2+\\dots+n_N}}\" title=\"Rendered by QuickLaTeX.com\" height=\"128\" width=\"423\" style=\"vertical-align: -58px;\"><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \ud45c\uc900 \ud3b8\ucc28\ub77c\uace0\ub3c4 \ud558\ub294 \ud45c\uc900 \ud3b8\ucc28\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ud45c\uc900 \ud3b8\ucc28\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95, \ub2e8\uacc4\ubcc4 \uc2e4\uc81c \uc608\uc81c \ubc0f \ubaa8\ub4e0 \ub370\uc774\ud130 \uc0d8\ud50c\uc758 \ud45c\uc900 \ud3b8\ucc28\ub97c \ucc3e\ub294 \uc628\ub77c\uc778 \uacc4\uc0b0\uae30\ub97c \ubc30\uc6b0\uac8c \ub429\ub2c8\ub2e4. \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \ud45c\uc900\ud3b8\ucc28 \ub77c\uace0\ub3c4 \ubd88\ub9ac\ub294 \ud45c\uc900\ud3b8\ucc28 \ub294 \ud1b5\uacc4\uc801 \ubd84\uc0b0\uc758 \ucc99\ub3c4\uc785\ub2c8\ub2e4. \uc989, \ud45c\uc900\ud3b8\ucc28\ub294 \uc77c\ub828\uc758 \ud1b5\uacc4 \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub294 \ubaa8\uc9d1\ub2e8\uc774\ub098 \ud1b5\uacc4 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uc815\ub7c9\ud654\ud558\ub294 \ub370 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-76","post","type-post","status-publish","format-standard","hentry","category-23"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7\ud45c\uc900\ud3b8\ucc28(\ud639\uc740 \ud45c\uc900\ud3b8\ucc28)<\/title>\n<meta name=\"description\" content=\"\ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\uac00 \ubb34\uc5c7\uc778\uc9c0, \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0(\uacf5\uc2dd)\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \uc628\ub77c\uc778 \ud45c\uc900\ud3b8\ucc28 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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