Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. Summary statistics are available in the provided table. We are testing if this sample provides evidence of a significantly more Facebook friends for male than female students at this university.

Gender N(sample size) (mean) S (Standard deviation)

Male 68 678.9 317.6

Female 91 616.1 330.6

(a) Which test statistic should you use? (e.g., two sample independent T-test, ANOVA, chi-square, or correlation)?

(b) Compute the appropriate test statistic (Note: please show all your work as much as you can)