{"id":2233,"date":"2023-07-23T03:53:51","date_gmt":"2023-07-23T03:53:51","guid":{"rendered":"https:\/\/statorials.org\/tr\/excelde-z-testi\/"},"modified":"2023-07-23T03:53:51","modified_gmt":"2023-07-23T03:53:51","slug":"excelde-z-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/excelde-z-testi\/","title":{"rendered":"Excel'de bir \u00f6rnek ve i\u0307ki z testi \u00f6rne\u011fi nas\u0131l \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r"},"content":{"rendered":"

<\/p>\n

\n

Bir pop\u00fclasyon ortalamas\u0131n\u0131n varsay\u0131msal bir de\u011ferden \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in tek \u00f6rnekli z testi<\/strong> kullan\u0131l\u0131r.<\/span><\/span><\/p>\n

\u0130ki \u00f6rneklemli z testi,<\/strong> iki pop\u00fclasyonun ortalamalar\u0131n\u0131n birbirinden \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n

A\u015fa\u011f\u0131daki \u00f6rnekler, Excel’de her test t\u00fcr\u00fcn\u00fcn nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir.<\/span><\/p>\n

\u00d6rnek 1: Excel’deki Z testi \u00f6rne\u011fi<\/strong><\/span><\/h2>\n

Bir pop\u00fclasyonun IQ’sunun ortalama \u03bc = 100 ve standart sapman\u0131n \u03c3 = 15 olacak \u015fekilde normal \u015fekilde da\u011f\u0131ld\u0131\u011f\u0131n\u0131 varsayal\u0131m.<\/span><\/p>\n

Bir bilim adam\u0131, yeni bir ilac\u0131n IQ seviyelerini etkileyip etkilemedi\u011fini bilmek istiyor. Bu y\u00fczden bir ay boyunca kullanmak \u00fczere 20 hastay\u0131 i\u015fe al\u0131yor ve ay sonunda IQ seviyelerini kaydediyor.<\/span><\/p>\n

Yeni ilac\u0131n IQ seviyelerinde \u00f6nemli bir farkl\u0131l\u0131\u011fa neden olup olmad\u0131\u011f\u0131n\u0131 belirlemek amac\u0131yla tek \u00f6rnekli bir z testi ger\u00e7ekle\u015ftirmek i\u00e7in Excel’de a\u015fa\u011f\u0131daki form\u00fcl\u00fc kullanabiliriz:<\/span><\/p>\n

 =Z.TEST( A2:A21<\/span> , 100, 15)<\/strong><\/span><\/pre>\n
 A\u015fa\u011f\u0131daki ekran g\u00f6r\u00fcnt\u00fcs\u00fc bu form\u00fcl\u00fcn pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir:<\/span> <\/p>\n
\"Excel'de<\/p>\n
 Tek tarafl\u0131 p de\u011feri 0,181587’dir<\/strong> . \u0130ki kuyruklu bir test yapt\u0131\u011f\u0131m\u0131z i\u00e7in bu de\u011feri 2 ile \u00e7arparak p = 0,363174<\/strong> elde edebiliriz.<\/span><\/p>\n
 Bu p de\u011feri 0,05’ten k\u00fc\u00e7\u00fck olmad\u0131\u011f\u0131ndan s\u0131f\u0131r hipotezini reddetmek i\u00e7in yeterli kan\u0131t\u0131m\u0131z yok.<\/span><\/p>\n
 Dolay\u0131s\u0131yla yeni ilac\u0131n IQ seviyesini \u00f6nemli \u00f6l\u00e7\u00fcde etkilemedi\u011fi sonucuna var\u0131yoruz.<\/span><\/p>\n
 \u00d6rnek 2: Excel’de \u0130ki Z Testi \u00d6rne\u011fi<\/strong><\/span><\/h2>\n
 \u0130ki farkl\u0131 \u015fehirdeki bireylerin IQ d\u00fczeylerinin normal da\u011f\u0131ld\u0131\u011f\u0131n\u0131 ve her birinin n\u00fcfus standart sapmas\u0131n\u0131n 15 oldu\u011funu varsayal\u0131m.<\/span><\/p>\n
 Bir bilim insan\u0131, A kentindeki ve B kentindeki bireylerin ortalama IQ d\u00fczeylerinin farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyor. B\u00f6ylece her \u015fehirden 20 ki\u015fiden olu\u015fan basit rastgele bir \u00f6rnek<\/a> se\u00e7iyor ve IQ seviyelerini kaydediyor.<\/span><\/p>\n
 A\u015fa\u011f\u0131daki ekran g\u00f6r\u00fcnt\u00fcs\u00fc her \u00f6rnekteki bireylerin IQ seviyelerini g\u00f6stermektedir:<\/span> <\/p>\n
\"\"<\/p>\n
 Ortalama IQ seviyesinin iki \u015fehir aras\u0131nda farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek amac\u0131yla iki \u00f6rnekli Z testi ger\u00e7ekle\u015ftirmek i\u00e7in \u00fcst \u015feritteki Veri<\/strong> sekmesine t\u0131klay\u0131n ve ard\u0131ndan Analiz<\/strong> grubundaki Veri Analizi<\/strong> d\u00fc\u011fmesine t\u0131klay\u0131n.<\/span> <\/p>\n
\"\"<\/p>\n
 Veri Analizi se\u00e7ene\u011fini<\/strong> bir se\u00e7enek olarak g\u00f6remiyorsan\u0131z, \u00f6ncelikle Analiz Ara\u00e7 Tak\u0131m\u0131’n\u0131 Excel’e y\u00fcklemelisiniz<\/a> .<\/span><\/p>\n
 Bu d\u00fc\u011fmeye t\u0131klad\u0131\u011f\u0131n\u0131zda, z-Test’i se\u00e7in: beliren yeni pencerede ortalamalar i\u00e7in iki \u00f6rnek<\/strong> :<\/span> <\/p>\n
\"\"<\/p>\n
 Tamam’\u0131<\/strong> t\u0131klatt\u0131\u011f\u0131n\u0131zda a\u015fa\u011f\u0131daki bilgileri doldurabilirsiniz:<\/span> <\/p>\n
\"\"<\/p>\n
 Tamam’\u0131<\/strong> t\u0131klad\u0131\u011f\u0131n\u0131zda sonu\u00e7lar E1 h\u00fccresinde g\u00f6r\u00fcnecektir:<\/span> <\/p>\n
\"\"<\/p>\n
 \u0130ki \u00f6rnekli z testi i\u00e7in test istatisti\u011fi -1,71817’dir<\/strong> ve kar\u015f\u0131l\u0131k gelen p de\u011feri 0,085765’tir.<\/strong><\/span><\/p>\n
 Bu p de\u011feri 0,05’ten k\u00fc\u00e7\u00fck olmad\u0131\u011f\u0131ndan s\u0131f\u0131r hipotezini reddetmek i\u00e7in yeterli kan\u0131t\u0131m\u0131z yok.<\/span><\/p>\n
 Dolay\u0131s\u0131yla ortalama IQ seviyesinin iki \u015fehir aras\u0131nda \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131 olmad\u0131\u011f\u0131 sonucuna var\u0131yoruz.<\/span><\/p>\n
 Ek kaynaklar<\/strong><\/span><\/h2>\n
 A\u015fa\u011f\u0131daki e\u011fitimlerde Excel’de di\u011fer yayg\u0131n istatistiksel testlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n
 Excel’de tek \u00f6rnek t testi nas\u0131l yap\u0131l\u0131r<\/a>
 Excel’de iki \u00f6rnekli t testi nas\u0131l yap\u0131l\u0131r<\/a>
 Excel’de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testi nas\u0131l ger\u00e7ekle\u015ftirilir<\/a>
 Welch’in t testi Excel’de nas\u0131l ger\u00e7ekle\u015ftirilir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Bir pop\u00fclasyon ortalamas\u0131n\u0131n varsay\u0131msal bir de\u011ferden \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in tek \u00f6rnekli z testi kullan\u0131l\u0131r. \u0130ki \u00f6rneklemli z testi, iki pop\u00fclasyonun ortalamalar\u0131n\u0131n birbirinden \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131 olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in kullan\u0131l\u0131r. A\u015fa\u011f\u0131daki \u00f6rnekler, Excel’de her test t\u00fcr\u00fcn\u00fcn nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir. \u00d6rnek 1: Excel’deki Z testi \u00f6rne\u011fi Bir pop\u00fclasyonun IQ’sunun ortalama […]<\/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-2233","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nExcel'de Tek \u00d6rnek ve \u0130ki \u00d6rnek Z Testi Nas\u0131l Yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, \u00f6rnekler de dahil olmak \u00fczere Excel'de tek \u00f6rnekli ve iki \u00f6rnekli z testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.\" \/>\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\/excelde-z-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Excel'de Tek \u00d6rnek ve \u0130ki \u00d6rnek Z Testi Nas\u0131l Yap\u0131l\u0131r - 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