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 %
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
Problem 5PPS
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Question
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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