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. Kindly answer letters A & B
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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

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)

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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