Statıstıcs Iı Deneme Sınavı Sorusu #1016867

In a problem, the variance between samples is 200 and the test stastic F is 2. What is the variance within samples?


10

20

60

100

202


Yanıt Açıklaması:

The test statistic for a one-way ANOVA test is the ratio of two variances; namely the variance between samples (MSB) and variance within samples (MSW). Then, the test statistic F can be obtained as follows, F = MSB / MSW.  

Then, 

2 = 200/ MSW 

So, the variance within samples is 100.  

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