{"id":851,"date":"2023-07-28T13:23:10","date_gmt":"2023-07-28T13:23:10","guid":{"rendered":"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi-python\/"},"modified":"2023-07-28T13:23:10","modified_gmt":"2023-07-28T13:23:10","slug":"eslestirilmis-ornekler-t-testi-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi-python\/","title":{"rendered":"Python&#39;da e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi nas\u0131l ger\u00e7ekle\u015ftirilir"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi\/\" target=\"_blank\" rel=\"noopener\">E\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi,<\/a> bir \u00f6rnekteki her g\u00f6zlemin di\u011fer \u00f6rnekteki bir g\u00f6zlemle ili\u015fkilendirilebildi\u011fi durumlarda iki \u00f6rne\u011fin ortalamalar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde Python&#8217;da e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n<h2> <strong>\u00d6rnek: Python&#8217;da E\u015fle\u015ftirilmi\u015f \u00d6rnekler T Testi<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Belirli bir m\u00fcfredat\u0131n, \u00f6\u011frencilerin belirli bir s\u0131navdaki performans\u0131 \u00fczerinde \u00f6nemli bir etkisinin olup olmad\u0131\u011f\u0131n\u0131 bilmek istedi\u011fimizi varsayal\u0131m. Bunu test etmek i\u00e7in bir s\u0131n\u0131ftaki 15 \u00f6\u011frenciden \u00f6n test yapmalar\u0131n\u0131 istiyoruz. Daha sonra her \u00f6\u011frencinin iki hafta boyunca m\u00fcfredata kat\u0131lmas\u0131n\u0131 sa\u011fl\u0131yoruz. Daha sonra \u00f6\u011frenciler benzer zorluktaki bir testi tekrar al\u0131rlar.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Birinci ve ikinci testlerdeki ortalama puanlar aras\u0131ndaki fark\u0131 kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in e\u015fle\u015ftirilmi\u015f \u00f6rneklem t testi kullan\u0131yoruz \u00e7\u00fcnk\u00fc her \u00f6\u011frencinin ilk testteki puan\u0131, ikinci testteki puan\u0131yla ili\u015fkilendirilebilir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Python&#8217;da e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 tamamlay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Ad\u0131m 1: Verileri olu\u015fturun.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6ncelikle \u00f6n ve son test puanlar\u0131n\u0131 i\u00e7eren iki tablo olu\u015fturaca\u011f\u0131z:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>pre = [88, 82, 84, 93, 75, 78, 84, 87, 95, 91, 83, 89, 77, 68, 91]<\/strong>\n<strong>post = [91, 84, 88, 90, 79, 80, 88, 90, 90, 96, 88, 89, 81, 74, 92]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Ad\u0131m 2: E\u015fle\u015ftirilmi\u015f numune T testi ger\u00e7ekle\u015ftirin.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Daha sonra, a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanan e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi ger\u00e7ekle\u015ftirmek i\u00e7in scipy.stats k\u00fct\u00fcphanesindeki <a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.ttest_rel.html\" target=\"_blank\" rel=\"noopener\">ttest_rel() fonksiyonunu<\/a> kullanaca\u011f\u0131z:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>test_rel(a, b)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Alt\u0131n:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>a:<\/strong> grup 1&#8217;den \u00f6rnek g\u00f6zlemlerin tablosu<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>b:<\/strong> grup 2&#8217;den \u00f6rnek g\u00f6zlemlerin tablosu<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\u00d6zel \u00f6rne\u011fimizde bu fonksiyonun nas\u0131l kullan\u0131laca\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats <span style=\"color: #107d3f;\">as<\/span> stats\n\n<span style=\"color: #008080;\">#perform the paired samples t-test<\/span>\nstats.ttest_rel(pre, post)\n\n(statistic=-2.9732, pvalue=0.0101)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Test istatisti\u011fi <strong>-2,9732&#8217;dir<\/strong> ve kar\u015f\u0131l\u0131k gelen iki kuyruklu p de\u011feri <strong>0,0101&#8217;dir<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Ad\u0131m 3: Sonu\u00e7lar\u0131 yorumlay\u0131n.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu \u00f6rnekte, e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi a\u015fa\u011f\u0131daki bo\u015f ve alternatif hipotezleri kullan\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> :<\/strong> \u00d6n test ve son test ortalamalar\u0131 e\u015fittir<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub> :<\/strong> \u00d6n test ve son test ortalamalar\u0131 e\u015fit <em>de\u011fil<\/em><\/span><\/p>\n<p> <span style=\"color: #000000;\">P de\u011feri ( <strong>0,0101<\/strong> ) 0,05&#8217;ten k\u00fc\u00e7\u00fck oldu\u011fundan s\u0131f\u0131r hipotezini reddediyoruz. \u00d6\u011frenciler i\u00e7in ger\u00e7ek ortalama test puan\u0131n\u0131n \u00e7al\u0131\u015fma program\u0131na kat\u0131lmadan \u00f6nce ve sonra farkl\u0131 oldu\u011funu s\u00f6yleyecek yeterli kan\u0131t\u0131m\u0131z var.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>E\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testi, bir \u00f6rnekteki her g\u00f6zlemin di\u011fer \u00f6rnekteki bir g\u00f6zlemle ili\u015fkilendirilebildi\u011fi durumlarda iki \u00f6rne\u011fin ortalamalar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131r. Bu e\u011fitimde Python&#8217;da e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: Python&#8217;da E\u015fle\u015ftirilmi\u015f \u00d6rnekler T Testi Belirli bir m\u00fcfredat\u0131n, \u00f6\u011frencilerin belirli bir s\u0131navdaki performans\u0131 \u00fczerinde \u00f6nemli bir etkisinin olup olmad\u0131\u011f\u0131n\u0131 bilmek istedi\u011fimizi varsayal\u0131m. Bunu test etmek [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-851","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python&#039;da E\u015fle\u015ftirilmi\u015f \u00d6rnekler T-Testi Nas\u0131l Ger\u00e7ekle\u015ftirilir - Statorials<\/title>\n<meta name=\"description\" content=\"Python&#039;da e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi-python\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python&#039;da E\u015fle\u015ftirilmi\u015f \u00d6rnekler T-Testi Nas\u0131l Ger\u00e7ekle\u015ftirilir - 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