Are college students who live in dormitories significantly more involved in campus life than students who commute to campus? The data below report the average number of hours per week students devote to extracurricular activities. Is there a difference between these randomly selected samples of commuter and residential students significant?
Sample 1 Sample 2
Residential Commuter
Mean= 12.4 Mean=10.2
SD = 2.0 SD = 1.9
N= 158 N=173
What is the obtained value (to the nearest hundredth)?