{"id":15674,"date":"2025-07-15T13:34:53","date_gmt":"2025-07-15T13:34:53","guid":{"rendered":"https:\/\/functiontranslator.com\/t-dag\/"},"modified":"2021-02-25T16:37:28","modified_gmt":"2021-02-25T16:37:28","slug":"t-dist","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/tr\/t-dist\/","title":{"rendered":"T.DA\u011e"},"content":{"rendered":"<h2>T Da\u011f\u0131l\u0131m\u0131: Tan\u0131m ve Temelleri<\/h2>\n<p>T Da\u011f\u0131l\u0131m\u0131, genellikle &#8220;Student&#8217;s T Distribution&#8221; olarak bilinen ve \u00f6zellikle \u00f6rneklem \u00fczerinden yap\u0131lan istatistiksel analizlerde; hipotez testleri ve g\u00fcven aral\u0131klar\u0131 hesaplamak i\u00e7in kullan\u0131l\u0131r. Excel ve Google Sheets\u2019te bu da\u011f\u0131l\u0131m, T.DIST fonksiyonu arac\u0131l\u0131\u011f\u0131yla kullan\u0131labilir. Fonksiyon, belirli bir t de\u011feri (test istatisti\u011fi) ve serbestlik derecesi verildi\u011finde, t da\u011f\u0131l\u0131m\u0131n\u0131n belirli bir kuyruk k\u0131sm\u0131ndaki alan\u0131 hesaplamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h2>Syntax ve Parametreler<\/h2>\n<ul>\n<li><strong>MS Excel:<\/strong> =T.DIST(x, degrees_freedom, cumulative)<\/li>\n<li><strong>Google Sheets:<\/strong> Ayn\u0131.<\/li>\n<\/ul>\n<ul>\n<li><code>x<\/code> &#8211; t istatisti\u011finin de\u011feri.<\/li>\n<li><code>degrees_freedom<\/code> &#8211; serbestlik derecesi, genellikle \u00f6rnek say\u0131s\u0131ndan 1 eksiltilir.<\/li>\n<li><code>cumulative<\/code> &#8211; Da\u011f\u0131l\u0131m t\u00fcr\u00fcn\u00fc belirten bir mant\u0131ksal de\u011fer. TRUE se\u00e7ilirse, k\u00fcm\u00fclatif da\u011f\u0131l\u0131m fonksiyonu; FALSE se\u00e7ilirse, olas\u0131l\u0131k yo\u011funluk fonksiyonu (pdf) de\u011feri hesaplan\u0131r.<\/li>\n<\/ul>\n<h2>Kullan\u0131m \u00d6rnekleri<\/h2>\n<h3>1. \u00d6rnek: Hipotez Testi<\/h3>\n<p>Bir \u00fcniversite, \u00f6\u011frencilerin ortalama final s\u0131nav\u0131 puan\u0131n\u0131n 80 oldu\u011funu iddia etmektedir. Ancak, 50 \u00f6\u011frencinin olu\u015fturdu\u011fu bir \u00f6rneklem \u00fczerinden yap\u0131lan analizde bu y\u0131lki ortalama 78 ve standart sapmas\u0131 5 olarak bulunmu\u015ftur. Bu durumu test etmek i\u00e7in a\u015fa\u011f\u0131daki T.DIST fonksiyonu kullan\u0131labilir:<\/p>\n<pre> <code>=T.DIST(78, 49, TRUE)<\/code> <\/pre>\n<table>\n<tr>\n<td><strong>Ad\u0131m<\/strong><\/td>\n<td><strong>A\u00e7\u0131klama<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Test \u0130statisti\u011fi Hesaplama<\/td>\n<td>t = (\u00f6rnek ortalamas\u0131 &#8211; pop\u00fclasyon ortalamas\u0131) \/ (standart sapma \/ k\u00f6k(n))<\/td>\n<\/tr>\n<tr>\n<td>t De\u011feri<\/td>\n<td>t = (78-80) \/ (5 \/ sqrt(50)) \u2248 -2.83<\/td>\n<\/tr>\n<tr>\n<td>T.DA\u011e Fonksiyonu<\/td>\n<td>=T.DIST(-2.83, 49, TRUE)<\/td>\n<\/tr>\n<tr>\n<td>Sonu\u00e7<\/td>\n<td>Belirtilen t de\u011feri alt\u0131ndaki alan oran\u0131, bu oran hipotez testi i\u00e7in p de\u011feri olarak kullan\u0131labilir.<\/td>\n<\/tr>\n<\/table>\n<h3>2. \u00d6rnek: G\u00fcven Aral\u0131\u011f\u0131 Hesaplama<\/h3>\n<p>30 \u00f6\u011frenci i\u00e7eren bir s\u0131n\u0131f\u0131n final s\u0131navlar\u0131ndaki puanlar\u0131n standart sapmas\u0131 4 olan bir da\u011f\u0131l\u0131m g\u00f6stermektedir. Bu s\u0131n\u0131f i\u00e7in %95 g\u00fcven aral\u0131\u011f\u0131n\u0131 hesaplay\u0131n.<\/p>\n<pre> <code>=T.DIST(2, 29, TRUE) ve =T.DIST(-2, 29, TRUE)<\/code> <\/pre>\n<p>G\u00fcven aral\u0131\u011f\u0131n\u0131n hesaplanmas\u0131, se\u00e7ilen g\u00fcven seviyesine uygun t da\u011f\u0131l\u0131m de\u011ferleri kullan\u0131larak t da\u011f\u0131l\u0131m\u0131n\u0131n kritik de\u011ferlerini bulmay\u0131 i\u00e7erir. Burada, \u00b12 de\u011ferleri kullan\u0131lm\u0131\u015ft\u0131r. Bu de\u011ferler, t da\u011f\u0131l\u0131m fonksiyonu arac\u0131l\u0131\u011f\u0131yla elde edilir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Student t-da\u011f\u0131l\u0131m\u0131n\u0131n Y\u00fczde Noktalar\u0131n\u0131 (olas\u0131l\u0131k) verir<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[582],"tags":[],"class_list":["post-15674","post","type-post","status-publish","format-standard","hentry","category-istatistik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Excel&#039;de T.DIST (T.DA\u011e) Fonksiyonu: Nas\u0131l \u00c7al\u0131\u015f\u0131r, Kullan\u0131m \u00d6rnekleri<\/title>\n<meta name=\"description\" content=\"Excel ve Google E-Tablolar&#039;da T.DIST (T.DA\u011e) fonksiyonunun detayl\u0131 incelemesi. 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