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At the 01 significance level is there a difference in the

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Reference no: EM13633474

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

Men Sample size-25 Sample mean-20 Population standard deviation-5

Women Sample size-30 Sample mean-30 Population standard deviation-10

At the .01 significance level, is there 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?Answer

2.668

2.672

2.58

2.40

Reference no: EM13633474

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