Question
A statistical program is recommended. A sales manager collected the following data on x = years...
A statistical program is recommended.
A sales manager collected the following data on x = years of experience and y = annual sales ($1,000s). The estimated regression equation for these data is
ŷ = 80 + 4x.
| Salesperson | Years of Experience |
Annual Sales ($1,000s) |
|---|---|---|
| 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 the residuals.
| Years of Experience |
Annual Sales ($1,000s) |
Residuals |
|---|---|---|
| 1 | 80 | |
| 3 | 97 | |
| 4 | 92 | |
| 4 | 102 | |
| 6 | 103 | |
| 8 | 111 | |
| 10 | 119 | |
| 10 | 123 | |
| 11 | 117 | |
| 13 | 136 |
Homework Answers
Answer #1
I have calculated residuals by
using above formula.
I tried my best please like ☺️
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