\u0130statistikte g\u00fcven d\u00fczeyi<\/strong> , bir pop\u00fclasyondaki istatistiksel parametre tahmininin g\u00fcven aral\u0131\u011f\u0131 dahilinde olma olas\u0131l\u0131\u011f\u0131d\u0131r. Tipik olarak g\u00fcven d\u00fczeyi 1-\u03b1 olarak g\u00f6sterilir ve y\u00fczde olarak ifade edilir.<\/p>\n \u00d6rne\u011fin, bir ortalama i\u00e7in g\u00fcven aral\u0131\u011f\u0131n\u0131n g\u00fcven d\u00fczeyi %95 ise bu, pop\u00fclasyon ortalamas\u0131n\u0131n g\u00fcven aral\u0131\u011f\u0131 i\u00e7inde olma olas\u0131l\u0131\u011f\u0131n\u0131n %95 oldu\u011fu anlam\u0131na gelir.<\/p>\n<\/p>\n En s\u0131k kullan\u0131lan g\u00fcven seviyeleri %90, %95 ve %99’dur. En yayg\u0131n g\u00fcven d\u00fczeyi %95 olmas\u0131na ra\u011fmen. <\/p>\n G\u00fcven seviyesinin tan\u0131m\u0131n\u0131 g\u00f6rd\u00fckten sonra, en yayg\u0131n g\u00fcven seviyelerinin ve bunlara kar\u015f\u0131l\u0131k gelen kritik de\u011ferlerin yer ald\u0131\u011f\u0131 bir tablo a\u015fa\u011f\u0131da sunulmaktad\u0131r. <\/p>\n B\u00f6ylece istenen g\u00fcven d\u00fczeyini bilerek, istatistiksel bir parametrenin g\u00fcven aral\u0131\u011f\u0131n\u0131 hesaplamay\u0131 m\u00fcmk\u00fcn k\u0131lan kritik de\u011feri belirlemek m\u00fcmk\u00fcnd\u00fcr. Web sitemizdeki ilgili makalede g\u00fcven aral\u0131\u011f\u0131n\u0131n nas\u0131l hesapland\u0131\u011f\u0131n\u0131 g\u00f6rebilirsiniz. <\/p>\n Bu b\u00f6l\u00fcmde %0 g\u00fcven seviyesinin ve %100 g\u00fcven seviyesinin ne anlama geldi\u011fini g\u00f6rece\u011fiz \u00e7\u00fcnk\u00fc bunlar normalde istatistiklerde g\u00f6r\u00fcnmemesi gereken iki g\u00fcven seviyesidir.<\/p>\n %0 g\u00fcven d\u00fczeyi,<\/strong> \u00f6rnek verilerin tekrar al\u0131nmas\u0131 durumunda ayn\u0131 sonu\u00e7lar\u0131n elde edilece\u011fine dair hi\u00e7bir kesinli\u011fin olmad\u0131\u011f\u0131 anlam\u0131na gelir. Asl\u0131nda, %0 g\u00fcven d\u00fczeyiyle elde edilen sonu\u00e7lar, istatistiksel \u00e7al\u0131\u015fma tekrarlanmadan \u00f6nce do\u011fruluklar\u0131ndan emin olunamayaca\u011f\u0131 i\u00e7in hi\u00e7bir zaman yay\u0131nlanmayacakt\u0131r.<\/p>\n \u00d6te yandan %100 g\u00fcven d\u00fczeyi<\/strong> , \u00e7al\u0131\u015fman\u0131n tekrarlanmas\u0131 halinde ayn\u0131 sonu\u00e7lar\u0131n elde edilece\u011fine dair hi\u00e7bir \u015f\u00fcphenin olmad\u0131\u011f\u0131 anlam\u0131na gelir. Ger\u00e7ekte, t\u00fcm bir pop\u00fclasyon incelenmedik\u00e7e istatistiklerde %100 g\u00fcven d\u00fczeyi mevcut de\u011fildir ve o zaman bile ara\u015ft\u0131rma s\u0131ras\u0131nda hi\u00e7bir hata veya yanl\u0131l\u0131\u011f\u0131n meydana gelmedi\u011finden %100 emin olamazs\u0131n\u0131z. <\/p>\n G\u00fcven d\u00fczeyi ve anlaml\u0131l\u0131k d\u00fczeyi istatistiksel olarak ili\u015fkilidir, dolay\u0131s\u0131yla bu b\u00f6l\u00fcmde bu iki kavram aras\u0131ndaki fark\u0131 g\u00f6rece\u011fiz.<\/p>\n G\u00fcven d\u00fczeyi ile anlaml\u0131l\u0131k d\u00fczeyi aras\u0131ndaki fark,<\/strong> tan\u0131mlad\u0131klar\u0131 olas\u0131l\u0131kt\u0131r. G\u00fcven d\u00fczeyi, bir istatisti\u011fin g\u00fcven aral\u0131\u011f\u0131 i\u00e7inde olma olas\u0131l\u0131\u011f\u0131d\u0131r; anlaml\u0131l\u0131k d\u00fczeyi ise istatisti\u011fin g\u00fcven aral\u0131\u011f\u0131n\u0131n d\u0131\u015f\u0131nda kalma olas\u0131l\u0131\u011f\u0131d\u0131r.<\/p>\n Dolay\u0131s\u0131yla bir g\u00fcven aral\u0131\u011f\u0131n\u0131n g\u00fcven d\u00fczeyi 1-\u03b1 ise ayn\u0131 aral\u0131\u011f\u0131n anlaml\u0131l\u0131k d\u00fczeyi de \u03b1 olur.<\/p>\n<\/p>\n \u00d6rne\u011fin bir g\u00fcven aral\u0131\u011f\u0131n\u0131n g\u00fcven d\u00fczeyi %95 ise anlaml\u0131l\u0131k d\u00fczeyi %5’tir. Yani istatistiksel \u00e7al\u0131\u015fmay\u0131 100, 95 kez tekrarlad\u0131\u011f\u0131m\u0131zda ger\u00e7ek pop\u00fclasyonla \u00f6rt\u00fc\u015fen bir sonu\u00e7 elde edece\u011fiz, 5 kez ise hatal\u0131 sonu\u00e7 elde edece\u011fiz. <\/p>\n![\"\\text{Nivel](\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-e0a7002c6d5cd57187be6c315930800d_l3.png\" "\\"Rendered")
<\/p>\n<\/p>\n<\/span>G\u00fcven D\u00fczeyleri Tablosu<\/span><\/h2>\n
\n\n
\n G\u00fcven d\u00fczeyi (1-\u03b1)<\/th>\n \u00d6nem d\u00fczeyi (\u03b1)<\/th>\n Kritik de\u011fer (Z \u03b1\/2<\/sub> )<\/th>\n<\/tr>\n<\/thead>\n\n \n 0.80<\/td>\n 0.20<\/td>\n 1.282<\/td>\n<\/tr>\n \n 0,85<\/td>\n 0,15<\/td>\n 1.440<\/td>\n<\/tr>\n \n 0,90<\/td>\n 0.10<\/td>\n 1.645<\/td>\n<\/tr>\n \n 0,95<\/td>\n 0,05<\/td>\n 1.960<\/td>\n<\/tr>\n \n 0,99<\/td>\n 0,01<\/td>\n 2.576<\/td>\n<\/tr>\n \n 0,995<\/td>\n 0,005<\/td>\n 2.807<\/td>\n<\/tr>\n \n 0,999<\/td>\n 0,001<\/td>\n 3.291<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n <\/span> %0 ve %100 g\u00fcven d\u00fczeyi<\/span><\/h2>\n
<\/span> G\u00fcven d\u00fczeyi ve anlaml\u0131l\u0131k d\u00fczeyi<\/span><\/h2>\n
![\"\\begin{array}{l}\\text{Nivel](\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3d2a6992d2617e928b124ee26e6d9a5a_l3.png\" "\\"Rendered")
<\/p>\n<\/p>\n