3. The personnel director for Electronics Associates developed the following estimated regression equation relating an employee's score on a job satisfaction test to his or her length of service and...

Please answer A & B and show the solution. Thank you!

Extracted text: 3. The personnel director for Electronics Associates developed the following estimated regression equation relating an employee's score on a job satisfaction test to his or her length of service and wage rate. (20 pts) ý=14.4 – 8.69x1 + 13.5 x2 where: x1 = length of service in years X2 = wage rate in dollars y = job satisfaction test score (higher scores indicate more job satisfaction) a. Interpret the coefficients in this estimated regression equation. b. Develop an estimate of the job satisfaction test score for an employee who has four years of service and makes $6.50 per hour.