1] A teacher at a large high school believes that their students volunteer 15 hours each semester. A random sample of 24 students from a group of 250 seniors who volunteered reported the following number of hours worked in one week. (HINT: Put into L1 and then choose data when constructing the test.) 12 13 14- 14 15 15 15 16 16 16 16 16 17 17 17 18 18 18 18 19 19 19 20 21 Does this sample indicate that these seniors are volunteering more than the teacher believes? Test an appropriate hypothesis and state your conclusion using a significance level of 0.05 (2 points]