1) A professor at a large university believes that work-study students work an average of 15 hours each week. A random sample of 24 students from a group of 250 work-study students 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 work-study students are working more hours than the professor believes? Test an appropriate hypothesis and state your conclusion using a significance level of 0.05 (2 points)