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Red Background Blue Background Words were displayed on a computer screen with background colors of...

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Red Background Blue Background Words were displayed on a computer screen with background colors of red and blue Results from scores on a test of word recall are given below Use a 0 05 significance level to test the claim t the samples are from populations with the same standard deviation Assume that both samples are independent simple random samples from populations having normal distributions Does the background color appear to have an effect on the variation of word recall scores C Ho 0 0 2 H 0 0 2 n 35 36 What are the null and alternative hypotheses A Ho 0 0 2 H 0 1 20 2 dentify the test statistic X S 15 52 5 95 12 32 5 43 Round to two decimal places as needed A C of B Ho o 0 2 H 07 0 2 D Ho 0 02 H 0 0 2 Save

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