1. The table gives the annual sales by salespersons with different years of experience in an auto dealership Years of Experience 2 5 7 8 10 12 15 18 20 Sales Volume ($1000s) 80 97 110 120 130 160 180 200 220 A. Set up a table to calculate the regression analysis B. Develop a linear regression equation for the relationships. C. Calculate the residuals for each data point and find the mean residual.

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Problem 30PT: For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or...
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Use a significance level of 0.05 where not specified.
1. The table gives the annual sales by salespersons with different years of experience in an auto
dealership
Years of Experience
2
5
7
8
92589
10
12
15
18
20
Sales Volume ($1000s)
80
97
110
120
130
160
180
200
220
A. Set up a table to calculate the regression analysis
B. Develop a linear regression equation for the relationships.
C. Calculate the residuals for each data point and find the mean residual.
D. What would the expected sales volume for a salesperson with 16 years of experience. What
would be the limits of prediction?
0
Transcribed Image Text:+ Use a significance level of 0.05 where not specified. 1. The table gives the annual sales by salespersons with different years of experience in an auto dealership Years of Experience 2 5 7 8 92589 10 12 15 18 20 Sales Volume ($1000s) 80 97 110 120 130 160 180 200 220 A. Set up a table to calculate the regression analysis B. Develop a linear regression equation for the relationships. C. Calculate the residuals for each data point and find the mean residual. D. What would the expected sales volume for a salesperson with 16 years of experience. What would be the limits of prediction? 0
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