A marketing professor at UTPA is interested in the relationship between hours spent studying and total points earned in a course. The following is the data collected from 5 students. Please collect data for another 2 students and answer the questions based on the dataset including 10 students.

Hours Spent Studying	Total Points Earned
45	40
30	35
90	75
60	65
105	90
65	50
90	90
80	80

a. Develop an estimated regression equation showing how total points earned is related to hours spent studying.

b. Test the significance of the model with alpha = .05.

c. Predict the total points earned by Mark Sweeney. He spent 78 hours studying.

d. Develop a 95% prediction interval for the total points earned by Mark Sweeney.