Do shoppers at the mall spend more money on average the day after Thanksgiving compared to the day after Christmas? The 58 randomly surveyed shoppers on the day after Thanksgiving spent an average of $125. Their standard deviation was $45. The 49 randomly surveyed shoppers on the day after Christmas spent an average of $105. Their standard deviation was $47. What can be concluded at the a = 0.01 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer ? Select an answer >

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