Question

In: Statistics and Probability

A recent study focused on the number of times men and women send a Twitter message...

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

Sample Size Sample Mean Population Standard
Deviation
  Men 29          24          9               
  Women 37          37          19               


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 p-value for this hypothesis test?

a.) 0.0251

b.) 0.0751

c.) 0.7501

d.) 0.0002

Solutions

Expert Solution

Answer: 0.0002 Option D is correct

Test Statistics

P-value was calculated using online calculator for z = -3.67 and two tailed test (Screenshot attached)

P-value for this hypothesis test is 0.0002

orchestra answered 2 years ago
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