Details k Your Supposc you have 8 populations and you want to compare their mean

Question

Details k Your Supposc you have 8 populations and you want to compare their means. You take a sample of size 19 from cach population and find that the Corrected Total Sum of Squares is 10290, whilc the Error Sum of Squarcs is 9340 d. Complete the following ANOVA Table TABLE Source 940 9340 10280 Error 144 Total b. What was the null hypothesis in this ANOVA? The variances of all 8 samples are the same The variances of all 8 the populations are the same The means of all 8 samples are the same o The means of all 8 populations are the same The means of 7 of the samples are the same The variances of 7 of the populations are the same The variances of 7 of the samples are the same The means of 7 of the populations are the same

Explanation / Answer

Null Hypothesis H0 : The means of all 8 populations are the same.

All answers are right.

Source SS df Model 10280-9340=940 8-1 =7 Error 9340 152-8 =144 Corrected Total 10280 19*8 -1 =152-1=151

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