A social scientist would like to analyze the relationship between education attainment(in years of higher education) and annual salary (in $1000s). The data Educ.xlsx file shows salary and Education for 20 individuals.

1. Find the sample regression equation for the model

Salary=b0+b1*Education+e

2. Interpret the coefficient for Education.

3. What is the predicted salary for an individual who completed seven years of higher education?

4. Discuss the coefficient of determination.

Salary	Education
40	3
53	4
80	6
42	2
70	5
50	4
110	8
38	0
42	3
55	4
85	6
40	2
70	5
60	4
140	8
40	0
75	5
65	4
125	8
38	0