A manager wishes to determine the relationship between the number of years her sales representatives have been employed by the firm and their amount of sales (in thousands of dollars) per month. Find the least-squares regression line for the given data. What would be the predicted sales if the sales representative was employed by the firm for 30 years? Is this reasonable? Why or why not? Round the least-squares regression line values to two decimal places. Years employed, x 2 3 10 7 8 15 3 1 11 Sales, y 31 33 78 62 65 61 48 55 120
A manager wishes to determine the relationship between the number of years her sales representatives have been employed by the firm and their amount of sales (in thousands of dollars) per month. Find the least-squares regression line for the given data. What would be the predicted sales if the sales representative was employed by the firm for 30 years? Is this reasonable? Why or why not? Round the least-squares regression line values to two decimal places. Years employed, x 2 3 10 7 8 15 3 1 11 Sales, y 31 33 78 62 65 61 48 55 120
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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Question
A manager wishes to determine the relationship between the number of years her sales representatives have been employed by the firm and their amount of sales (in thousands of dollars) per month. Find the least-squares regression line for the given data. What would be the predicted sales if the sales representative was employed by the firm for 30 years? Is this reasonable? Why or why not? Round the least-squares regression line values to two decimal places.
|
Years employed, x
|
2
|
3
|
10
|
7
|
8
|
15
|
3
|
1
|
11
|
|
|---|---|---|---|---|---|---|---|---|---|---|
|
Sales, y
|
31
|
33
|
78
|
62
|
65
|
61
|
48
|
55
|
120
|
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