You are given the same test scores (x) and weekly sales (y) data as in problem 7a. Salesperson Test Score (x) Weekly Sales (y-in thou. of dollars 1. Mr. Amber 4 $6 2. Mr. Archer 2 $12 3. Ms. Smith 3 $4 4. Mr. Malcolm 6 $8 5. Ms. Goodwin 10 $11 What is the regression equation that can be estimated from this data? (i.e., of the form yl=a+bx where y' stands for predicted.) What is the standard error of the estimate? Construct 90% confidence intervals for the mean value of y given that x=4.
You are given the same test scores (x) and weekly sales (y) data as in problem 7a. Salesperson Test Score (x) Weekly Sales (y-in thou. of dollars 1. Mr. Amber 4 $6 2. Mr. Archer 2 $12 3. Ms. Smith 3 $4 4. Mr. Malcolm 6 $8 5. Ms. Goodwin 10 $11 What is the regression equation that can be estimated from this data? (i.e., of the form yl=a+bx where y' stands for predicted.) What is the standard error of the estimate? Construct 90% confidence intervals for the mean value of y given that x=4.
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
You are given the same test scores (x) and weekly sales (y) data as in problem 7a.
|
|
Salesperson |
Test Score (x) |
Weekly Sales (y-in thou. of dollars |
|
1. |
Mr. Amber |
4 |
$6 |
|
2. |
Mr. Archer |
2 |
$12 |
|
3. |
Ms. Smith |
3 |
$4 |
|
4. |
Mr. Malcolm |
6 |
$8 |
|
5. |
Ms. Goodwin |
10 |
$11 |
What is the regression equation that can be estimated from this data? (i.e., of the form yl=a+bx where y' stands for predicted.) What is the standard error of the estimate? Construct 90% confidence intervals for the mean value of y given that x=4.
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