Is the average amount of money spent the day after Thanksgiving different than the average amount of money spent the day after Christmas? The 40 randomly surveyed shoppers on the day after Thanksgiving spent an average of $135.40. Their standard deviation was $9.31. The 48 randomly surveyed shoppers on the day after Christmas spent an average of $135.50. Their standard deviation was $9.03. What can be concluded at the a = .05 level of significance? Assume both populations are normally distributed and average 1 is the average money spent the day after Thanksgiving. Round all answers to 4 places where possible. Step (1) Determine the null and alternative hypotheses. Ho: 1 Ha: 1 Step (2) Determine the test statistic and p-value. Test Statistic: t ✓=-0.0509 p-value = 0.9596 Step (3) Find the critical value for the rejection region (Use t= 1.6636 μ2 Make a decision using the rejection region method. OReject the null hypothesis. Fail to reject the null hypothesis. acer μ2 Nov 9

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