Words were displayed on a computer screen with background colors of red and blue

Question

Words were displayed on a computer screen with background colors of red and blue Resurs trom scores on a lestof word recall are given below Use a 005 significance loval to test the claim that the samples are populations wth mhe same standard deviation Assume that both samples are ndependent simole random samples tom populations having normal distributions Does the background color appear lo have an effect on the variation of word recall scores 5 41 What are the null and allematve hypotheses? (Round to two decimal places as meeded

Explanation / Answer

here for null and alternate hypothesis:

option A is correct

F=(5.98/5.41)2 =1.2218

conclusion : option C:fail to reject Ho; there is insufficient.......

option D : No the variation...

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