Essay
A survey conducted by a research team was to investigate how the education level, tenure in current employment, and age, are related to annual income. A sample 20 employees is selected and the data is given below.
a. Determine the estimated multiple linear regression equation that can be used to predict the annual income given number of years school completed (Education), length of tenure in current employment, and age.
b. Use the F test to determine the overall significance of the regression relationship. What is the conclusion at the 0.05 level of significance?
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