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Years Employed Annual Salary (thousands of $) 6 50 7 60 4 40 3 35 5 50 1 30 8 65 6 45 2 35
Years Employed | Annual Salary (thousands of $) | |||
6 | 50 | |||
7 | 60 | |||
4 | 40 | |||
3 | 35 | |||
5 | 50 | |||
1 | 30 | |||
8 | 65 | |||
6 | 45 | |||
2 | 35 | |||
9 | 70 | |||
An I/O psychologist would like to predict the salary of employees based on years of employment in the company. He took a small sample of employees, asked them their years of service and their annual salary (in thousands of dollars), and then computed What is the regression equation? (10 pts) Y = bx + a
Based on the regression equation, predict the annual salary of an employee with 5 years of employment. (2 pts)
Does the regression equation account for a significant portion of the variance of annual salary? (Hint: Compute F-ratio, .05.) (10 pts)
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