ectronics Associates developed the following estimated regression equation relating an employee's score on a ŷ = 14.4 - 8.69z + 13.5z ore (higher scores tisfaction) cimal places. n this estimated regression equation. ange, a one year increase in length of service is associated with a decrease in job satisfacti

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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.
ŷ = 14.4 – 8.69aı + 13.5az
where
¤1 = length of service (years)
*2 = wage rate (dollars)
y = job satisfaction test score (higher scores
indicate greater job satisfaction)
Round your answers to 2 decimal places.
a. Interpret the coefficients in this estimated regression equation.
If the wage rate does not change, a one year increase in length of service is associated with a decrease
in job satisfaction score by
units. If the length of service does not change, a dollar increase in wage
results in an increase
vO in job satisfaction score by
units.
b. Predict the job satisfaction test score for an employee who has four years of service and makes $6.50 per hour.
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Transcribed Image Text:Hint(s) Check My Work 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. ŷ = 14.4 – 8.69aı + 13.5az where ¤1 = length of service (years) *2 = wage rate (dollars) y = job satisfaction test score (higher scores indicate greater job satisfaction) Round your answers to 2 decimal places. a. Interpret the coefficients in this estimated regression equation. If the wage rate does not change, a one year increase in length of service is associated with a decrease in job satisfaction score by units. If the length of service does not change, a dollar increase in wage results in an increase vO in job satisfaction score by units. b. Predict the job satisfaction test score for an employee who has four years of service and makes $6.50 per hour. Hide Feedback
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