A textbook publisher for books used in business schoolsbelieves that the number of books sold is related to the number ofcampus visits to decision makers made by their sales force. Asampling of the number of sales calls made and the number of bookssold is shown in the following table.
# OF SALES CALLS MADE —– # OF BOOKS SOLD
25 375
15 250
25 525
45 825
35 550
25 575
25 550
35 575
25 400
15 400
—————————————————————————————————————————————
Sales Calls Made Versus Number of Books SoldSummary
Measure Value
Error Measures
Cummulative For. Error = 0
MAD = 72.5
MSE = 5550.986
Standard Error (denom=n=8) = 83.299
MAPE = 0.163
Regression Line
Books Sold = 104,605
+ 14.737 * Sales Calls Made
Statistics
—————————————————————————————————————————————-
1.
PayPal Gateway not configured
PayPal Gateway not configured