Question: Recall that in exercise 40 the personnel director for Electronics

Recall that in exercise 40 the personnel director for Electronics Associates developed the following estimated regression equation relating an employee’s score on a job satisfaction test to length of service and wage rate.
y = 14.4 – 8.69x1 + 13.5x2
Where
x1 = length of service (years)
x2 = wage rate (dollars)
y = job satisfaction test score (higher scores indicate greater job satisfaction)
A portion of the Minitab computer output follows.


a. Complete the missing entries in this output.
b. Compute F and test using α = .05 to see whether a significant relationship is present.
c. Did the estimated regression equation provide a good fit to the data? Explain.
d. Use the t test and α = .05 to test H0: β1 = 0 and H0: β2 =0.
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  • CreatedFebruary 16, 2015
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