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Mathematics, 11.12.2019 20:31 AM28

Arecent study focused on the number of times men and women send a twitter message in a day. the sample information is summarized here.
sample size - sample mean - population standard deviation
men 25 23 5
women 30 28 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. what is the test statistic for this hypothesis?

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