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. Kindly answer letters A & B

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ISBN:9781119256830
Author:Amos Gilat
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6. 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.

Kindly answer letters A & B

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
1
81
1
87
3
92
4
4
98
5
5
100
6
106
7
8
118
8
9
124
9.
11
132
10
12
140
a. Compute the residuals and choose a residual plot for this problem.
+
x (to 1 decimal)
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 1 81 1 87 3 92 4 4 98 5 5 100 6 106 7 8 118 8 9 124 9. 11 132 10 12 140 a. Compute the residuals and choose a residual plot for this problem. + x (to 1 decimal)
D.
Residuals
4
2
F-2
--4
4
10
12
The correct plot of the residuals is
Select your answer -
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
v reasonable.
Transcribed Image Text:D. Residuals 4 2 F-2 --4 4 10 12 The correct plot of the residuals is Select your answer - 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 v reasonable.
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