Question

Consider the prediction of annual salary from age alone (as compared to exercise 1, where experience was also used as an X variable).
a. Find the regression equation to predict annual salary from age.
b. Using results from part a of exercise 1 and this exercise, compare the effect of age on annual salary with and without an adjustment for experience.
c. Test whether age has a significant impact on annual salary with and without an adjustment for experience. Briefly discuss your results.


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  • CreatedNovember 11, 2015
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