A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized here.Sample Size Sample Mean Population Standard DeviationMen 25 23 5Women 30 28 10At 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. What is the value of the test statistic for this hypothesis test?
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