{"id":796,"date":"2023-07-28T17:46:25","date_gmt":"2023-07-28T17:46:25","guid":{"rendered":"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi-spss\/"},"modified":"2023-07-28T17:46:25","modified_gmt":"2023-07-28T17:46:25","slug":"eslestirilmis-ornekler-t-testi-spss","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/eslestirilmis-ornekler-t-testi-spss\/","title":{"rendered":"Spss'de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testi nas\u0131l yap\u0131l\u0131r?"},"content":{"rendered":"

<\/p>\n

\n

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

Bu e\u011fitimde SPSS’de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n

\u00d6rnek: SPSS’de E\u015fle\u015ftirilmi\u015f \u00d6rnekler t-testi<\/strong><\/span><\/h3>\n

Ara\u015ft\u0131rmac\u0131lar, yeni bir yak\u0131t i\u015fleminin belirli bir araban\u0131n ortalama mpg’sinde bir de\u011fi\u015fikli\u011fe neden olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyor. Bunu test etmek i\u00e7in, yak\u0131t ar\u0131tmal\u0131 ve yak\u0131ts\u0131z 12 araban\u0131n mpg’sini \u00f6l\u00e7t\u00fckleri bir deney y\u00fcr\u00fct\u00fcyorlar.<\/span><\/p>\n

Her araba i\u015flem g\u00f6rd\u00fc\u011f\u00fcnden, a\u015fa\u011f\u0131daki bo\u015f ve alternatif hipotezleri kullanarak, yak\u0131t i\u015flemi olan ve olmayan ortalama mpg’de bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in her araban\u0131n kendisiyle e\u015fle\u015ftirildi\u011fi e\u015fle\u015ftirilmi\u015f bir t-testi ger\u00e7ekle\u015ftirebiliriz:<\/span><\/p>\n

    \n
  • H 0<\/sub> :<\/strong> \u03bc 1<\/sub><\/strong> = \u03bc 2<\/sub><\/strong> (iki pop\u00fclasyon aras\u0131ndaki ortalama mpg e\u015fittir)<\/span><\/li>\n
  • H 1<\/sub> :<\/strong> \u03bc 1<\/sub><\/strong> \u2260 \u03bc 2<\/sub><\/strong> (iki pop\u00fclasyon aras\u0131ndaki ortalama mpg e\u015fit de\u011fildir)<\/span><\/li>\n<\/ul>\n

    A\u015fa\u011f\u0131daki ekran g\u00f6r\u00fcnt\u00fcs\u00fc yak\u0131t ar\u0131tmal\u0131 (mpg1) ve yak\u0131ts\u0131z (mpg2) her araba i\u00e7in mpg’yi g\u00f6stermektedir:<\/span> <\/p>\n

    \"\"<\/p>\n

    E\u015fle\u015ftirilmi\u015f bir t testi ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 tamamlay\u0131n:<\/span><\/p>\n

    Ad\u0131m 1: E\u015fle\u015ftirilmi\u015f \u00d6rnekler T Testi se\u00e7ene\u011fini se\u00e7in.<\/strong><\/span><\/p>\n

    Analiz<\/strong> sekmesine, ard\u0131ndan Ortalamalar\u0131 Kar\u015f\u0131la\u015ft\u0131r’a<\/strong> ve ard\u0131ndan E\u015fle\u015ftirilmi\u015f \u00d6rnekler T-Testi’ne<\/strong> t\u0131klay\u0131n:<\/span> <\/p>\n

    \"SPSS'de<\/p>\n

    Ad\u0131m 2: Testi ger\u00e7ekle\u015ftirmek i\u00e7in gerekli de\u011ferleri girin.<\/strong><\/span><\/p>\n

    Mpg1’i<\/strong> De\u011fi\u015fken1’in alt\u0131ndaki kutuya s\u00fcr\u00fckleyin ve mpg2’yi<\/strong> De\u011fi\u015fken2’nin alt\u0131ndaki kutuya s\u00fcr\u00fckleyin. Daha sonra Tamam’\u0131<\/strong> t\u0131klay\u0131n.<\/span> <\/p>\n

    \"\"<\/p>\n

    Ad\u0131m 3: Sonu\u00e7lar\u0131 yorumlay\u0131n.<\/strong><\/span><\/p>\n

    Tamam’a<\/strong> t\u0131klad\u0131\u011f\u0131n\u0131zda e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testinin sonu\u00e7lar\u0131 g\u00f6r\u00fcnt\u00fclenecektir:<\/span> <\/p>\n

    \"SPSS'de<\/p>\n

    \u0130lk tabloda iki grup i\u00e7in a\u015fa\u011f\u0131daki \u00f6zet istatistikler g\u00f6r\u00fcnt\u00fclenir:<\/span><\/p>\n

      \n
    • N:<\/strong> Her grubun \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc<\/span><\/li>\n
    • Ortalama:<\/strong> her gruptaki arabalar\u0131n ortalama mpg’si<\/span><\/li>\n
    • Standart. Sapma:<\/strong> her gruptaki arabalar\u0131n mpg’sinin standart sapmas\u0131<\/span><\/li>\n
    • Standart. Ortalama hata:<\/strong> s\/\u221an cinsinden hesaplanan ortalama mpg’nin standart hatas\u0131<\/span><\/li>\n<\/ul>\n

      Son tablo e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testinin sonu\u00e7lar\u0131n\u0131 g\u00f6stermektedir:<\/span><\/p>\n

        \n
      • t:<\/strong> -2,244 olarak bulunan test istatisti\u011fi<\/span><\/li>\n
      • df:<\/strong> #\u00e7ift-1 = 12-1 = 11 \u015feklinde hesaplanan serbestlik derecesi<\/span><\/li>\n
      • \u0130mza. (iki kuyruklu):<\/strong> df=11 ile -2,244 de\u011ferine kar\u015f\u0131l\u0131k gelen iki kuyruklu p de\u011feri<\/span><\/li>\n<\/ul>\n

        Testin p de\u011feri (0,046) 0,05’ten k\u00fc\u00e7\u00fck oldu\u011fundan s\u0131f\u0131r hipotezini reddediyoruz. Ger\u00e7ek ortalama mpg’nin tedavi g\u00f6ren arabalar ile g\u00f6rmeyen arabalar aras\u0131nda farkl\u0131 oldu\u011funu s\u00f6yleyecek yeterli kan\u0131t\u0131m\u0131z var.<\/span><\/p>\n

        Ad\u0131m 4: Sonu\u00e7lar\u0131 rapor edin.<\/strong><\/span><\/p>\n

        Son olarak e\u015fle\u015ftirilmi\u015f \u00f6rnekler t-testimizin sonu\u00e7lar\u0131n\u0131 rapor edece\u011fiz. \u0130\u015fte bunun nas\u0131l yap\u0131laca\u011f\u0131na dair bir \u00f6rnek:<\/span><\/p>\n

        \n

        Yeni bir yak\u0131t i\u015fleminin galon ba\u015f\u0131na ortalama kilometrede bir fark yarat\u0131p yaratmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in 12 araba \u00fczerinde e\u015fle\u015ftirilmi\u015f bir t-testi yap\u0131ld\u0131.<\/span><\/p>\n

        Sonu\u00e7lar, ortalama mpg’nin iki grup aras\u0131nda istatistiksel olarak 0,05 anlaml\u0131l\u0131k d\u00fczeyinde farkl\u0131 oldu\u011funu g\u00f6sterdi (t = -2,244, df=11, p = 0,046).<\/span><\/p>\n

        Pop\u00fclasyon ortalamalar\u0131 aras\u0131ndaki ger\u00e7ek fark i\u00e7in %95’lik bir g\u00fcven aral\u0131\u011f\u0131 (-3,466, -0,034) aral\u0131\u011f\u0131n\u0131 ortaya \u00e7\u0131kard\u0131.<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

        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 SPSS’de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: SPSS’de E\u015fle\u015ftirilmi\u015f \u00d6rnekler t-testi Ara\u015ft\u0131rmac\u0131lar, yeni bir yak\u0131t i\u015fleminin belirli bir araban\u0131n ortalama mpg’sinde bir de\u011fi\u015fikli\u011fe neden olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyor. Bunu test etmek i\u00e7in, […]<\/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-796","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nSPSS'de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testi nas\u0131l yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Ad\u0131m ad\u0131m bir \u00f6rnek de dahil olmak \u00fczere, 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-spss\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SPSS'de e\u015fle\u015ftirilmi\u015f \u00f6rnekler t testi nas\u0131l yap\u0131l\u0131r - 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