Multiple Choice
A recent study focused on the number of times men and women send a Twitter message in a day. The sample information is summarized below. 
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 test statistic for this hypothesis?
A) z-statistic
B) t-statistic
C) p-statistic
D) df-statistic
Correct Answer:
Verified
Correct Answer:
Verified
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