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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.   Years of Annual Sales Salesperson Experience ($1000) 1 2 82 2 3 84 3 4 94 4 6 101 5 7 102 6 9 105 7 10 108 8 11 114 9 13 123 10 15 125 a. Compute the residuals and choose a residual plot for this problem.  y= __ + __ x (to 1 decimal) The correct plot of the residuals is (A, B, C, D) b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term (appear, do not appear) reasonable.

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.   Years of Annual Sales Salesperson Experience ($1000) 1 2 82 2 3 84 3 4 94 4 6 101 5 7 102 6 9 105 7 10 108 8 11 114 9 13 123 10 15 125 a. Compute the residuals and choose a residual plot for this problem.  y= __ + __ x (to 1 decimal) The correct plot of the residuals is (A, B, C, D) b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term (appear, do not appear) reasonable.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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.

  Years of Annual Sales
Salesperson Experience ($1000)
1 2 82
2 3 84
3 4 94
4 6 101
5 7 102
6 9 105
7 10 108
8 11 114
9 13 123
10 15 125

a. Compute the residuals and choose a residual plot for this problem.

 y= __ + __ x (to 1 decimal)

The correct plot of the residuals is (A, B, C, D)

b.

Do the assumptions about the error term seem reasonable in light of the residual plot?

The assumptions concerning the error term (appear, do not appear) reasonable.

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. Years of Annual Sales Salesperson Experience ($1000) 1 2 82 2 3 84 4 94 4 101 5 7 102 6 105 10 108 8 11 114 13 123 10 15 125 a. Compute the residuals and choose a residual plot for this problem. = x (to 1 decimal) А. Residuals F4 +2 F-2 -4 -6 4 10 12 В. Residuals -2 Fo -2 --4 --6 2 4 10 12 С. Residuals -4 -2 -4 4 8 10 12 D. Residuals 14 2 Fo -2 -4 10 12 The correct plot of the residuals is Select your answer - v b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term Select your answer - vreasonable.
Transcribed Image Text: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. Years of Annual Sales Salesperson Experience ($1000) 1 2 82 2 3 84 4 94 4 101 5 7 102 6 105 10 108 8 11 114 13 123 10 15 125 a. Compute the residuals and choose a residual plot for this problem. = x (to 1 decimal) А. Residuals F4 +2 F-2 -4 -6 4 10 12 В. Residuals -2 Fo -2 --4 --6 2 4 10 12 С. Residuals -4 -2 -4 4 8 10 12 D. Residuals 14 2 Fo -2 -4 10 12 The correct plot of the residuals is Select your answer - v b. Do the assumptions about the error term seem reasonable in light of the residual plot? The assumptions concerning the error term Select your answer - vreasonable.
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