Question: Using any Forecasting Software that you may find it on the internet free of charge, solve following problems. In preparing your homework, show the steps

Using any Forecasting Software that you may find it on the internet free of charge, solve following problems. In preparing your homework, show the steps of the solution supported by screenshots .

1.A textbook publisher for books used in engineering schools believes that the number of books sold is related to the number of campus visits to decision makers made by their sales force. A sampling of the number of sales calls made and the number of books sold is shown in the following table.

NUMBER OF SALES CALLS MADE	NUMBER OF BOOKS SOLD
25	375
15	250
25	525
45	825
35	550
25	575
25	550
35	575
25	400
15	400

Determine the regression line

MAD?

MSE?

MAPE?

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