The HR Department of Vanderizing Bulb Company wanted to know ifamong its salaried employees there was a relationship between yearsof school and annual compensation. A random sample of employeesyielded the following data:
Employee | Years of School | Compensation ($) |
1 | 20 | 69,582 |
2 | 15 | 55,433 |
3 | 13 | 64,678 |
4 | 14 | 74,465 |
5 | 17 | 70,159 |
6 | 16 | 62,487 |
7 | 17 | 69,763 |
8 | 18 | 71,125 |
9 | 20 | 64,350 |
10 | 14 | 53,290 |
a. Find the correlation coefficient for the relationship betweenYears of School and Compensation.
b. Find the best equation which should be used to predictcompensation on the basis of years of schooling. Justify by a testof a hypothesis.
c. Maggie Radford has 15 years of schooling. What is herpredicted salary if she works at Vanderizing?