Question: Consider the prediction of annual salary from age alone as

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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