A sales manager collected the following data on annual

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Reference no: EM13617344

A sales manager collected the following data on annual sales and years of experience. The estimated regression equation is Ybar=80+4x

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 the SST SSR and SSE

b) Compute the coefficient of determination r^2 comment on the goodness of fit.

c) What is the value of the sample correlation coefficient.

Reference no: EM13617344

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