A sales manager collected the following data on annual sales

A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10 salespersons.

Develop an estimated regression equation that can be used to predict annual sales given the years of experience.

Compute b1 and b0 (to the nearest whole number).
b1   
b0   

Complete the estimated regression equation below.

=   +  x

Use the estimated regression equation to predict annual sales for a salesperson with 9 years of experience (to the nearest whole number).
$  

Solution