An admissions officer wanted to know if there was a difference in mean GPA between college sophomores who lived on-campus or off campus. One-hundred college sophomores who lived on-campus were randomly selected and their GPA's were compared with one hundred different college sophomores who lived off campus. The college sophomores who lived on campus had a mean GPA of 3.27 with a standard deviation of .23, while the college sophomores who lived off campus had a mean GPA of 2.95 with a standard deviation of .29. Which of the 'big five' parameters is this scenario? a) One sample mean b) One sample proportion c) Independent, two sample means d) Dependent, two sample means e) Two sample proportion What is the value of the sample statistic