Question: a. What is the linear regression equation for sales? b. Calculate the MAD for the linear regression forecasting method. c. If ad expenditures are expected

a. What is the linear regression equation for sales? b. Calculate

a. What is the linear regression equation for sales?

b. Calculate the MAD for the linear regression forecasting method.

c. If ad expenditures are expected to be $6.8 ($000) and the sales force is expected to be around 190, what would the expected level of sales be (Hint: use your LR model from a.)

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