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14-01-2023
Mathematics

Answered

Do shoppers at the mall spend less money on average the day after Thanksgiving compared to the day after Christmas? The 57 randomly surveyed shoppers on the day after Thanksgiving spent an average of $135. Their standard deviation was $49. The 55 randomly surveyed shoppers on the day after Christmas spent an average of $147. Their standard deviation was $32. What can be concluded at the
α
= 0.05 level of significance?

Do shoppers at the mall spend less money on average the day after Thanksgiving compared to the day after Christmas The 57 randomly surveyed shoppers on the day class=

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