11) A recent 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 Women 25 23 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? A) z-statistic B) t-statistic C) p-statistic D) df-statistic

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11) A recent 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
25
Sample Mean
Population Standard Deviation
Men
Women
23
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?
A) z-statistic
B) t-statistic
C) p-statistic
D) df-statistic
Transcribed Image Text:11) A recent 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 25 Sample Mean Population Standard Deviation Men Women 23 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? A) z-statistic B) t-statistic C) p-statistic D) df-statistic
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