A regression model relating x, number of salespersons at a branch office, to y, annual sales at the office (in thousands of dollars), provided the following computer output from a regression analysis of the data.,a. Write the estimated regression equation.,b. How many branch offices were involved in the study?,c. Compute the F statistic and test the significance of the relationship at a .05 level of significance.,d. Predict the annual sales at the Memphis branch office. This branch employs 12salespersons.

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