A sociologist was hired by a large city hospital to investigate the relationship between the number of unauthorized days that employees are absent per year and the distance (miles) between home and work for the employees.A sample of 5 employees was chosen, and the following date were collected.

Distance to work(Miles) Number of Days Absent

1 l 8

3 l 9

4 l 12

6 l 15

8 l 16

a) Develop the least square estimated regression equation.

b) Find the coefficient of Determination.