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A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here. SampleSamplePopulation

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A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here. SampleSamplePopulation Standard Size Mean Deviation Men 40 38 5 Women 45 43 10 At the 0.01 significance level, we ask if there is a difference in the mean number of times men and women send a Twitter message in a day. Assume that women are population 1 and men are population 2. What is the value of the test statistic for this hypothesis test? 2.963 3.229 3.137 3.233

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