A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is ŷ = 80 + 4x. Years of Annual Sales Salesperson Experience ($1,000s) 1. 1 80 2 97 4 92 4 4 102 6 103 8 111 7 10 119 8 10 123 11 117 10 13 136 (a) Compute SST, SSR, and SSE. SST = SSR = SSE = (b) Compute the coefficient of determination 2. (Round your answer to three decimal places.)
A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is ŷ = 80 + 4x. Years of Annual Sales Salesperson Experience ($1,000s) 1. 1 80 2 97 4 92 4 4 102 6 103 8 111 7 10 119 8 10 123 11 117 10 13 136 (a) Compute SST, SSR, and SSE. SST = SSR = SSE = (b) Compute the coefficient of determination 2. (Round your answer to three decimal places.)
Chapter4: Linear Functions
Section: Chapter Questions
Problem 30PT: For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or...
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( a )
SST = ?
SSR = ?
SSE = ?
( b )
r^2 = ?
( c )
r = ?
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