A sales manager collected the following data on  annual sales and  years of experience. The estimated regression equation for these data is .  y=80 + 4x The datafile logo.     Salesperson   Years ofExperience   Annual Sales($1000s) 1   1   80 2   3   97 3   4   92 4   4   102 5   6   103 6   8   111 7   10   119 8   10   123 9   11   117 10   13   136   a. Compute    SSE   SST   SSR     b. Compute the coefficient of determination r^2                        %

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
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A sales manager collected the following data on  annual sales and  years of experience. The estimated regression equation for these data is .  y=80 + 4x

The datafile logo.

 

 

Salesperson   Years of
Experience
  Annual Sales
($1000s)
1   1   80
2   3   97
3   4   92
4   4   102
5   6   103
6   8   111
7   10   119
8   10   123
9   11   117
10   13   136

 

a. Compute 

 

SSE  
SST  
SSR  

 

b. Compute the coefficient of determination r^2

 

                     %

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