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A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summar

Sample mean25.5722.33
Sample standard deviation5.584.95
Sample size3640


A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summarized below.

At the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month?

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