Comparing the number of Facebook “friends” for men and women, observers have speculated about whether the mean number of friends could be the same for each group. Assume that data file XR11014 lists the number of Facebook friends for independent samples of male and female Facebook users. Based on the results of a two-tail test at the 0.05 level, comment on whether the difference between the sample means could have simply occurred by chance. Identify and interpret the p-value for the test.
A computer and statistical software.