Question: Students at PCC often have to work so that they can afford tuition, books and supplies. Professor Thomas T. Thomas (his parents were not very creative) has been studying if the grade point average and the number of hours worked per week are in reverse proportion. He surveyed his class in beginning statistics and found out the following information.

By using a single regression, first list the null and research hypotheses, next analyze this information and indicate if Professor Thomas is correct or not. Show your work, and of course tell me the answer.