Consider the following set of dependent and independent variables. Use these data to complete parts a and b below. y 48 46 42 42 35 32 30 25 16 x1 78 66 80 52 42 46 30 15 13 x2 22 26 21 20 14 16 9 13 11 a) Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning. -The 95% confidence interval for the true population coefficient B1 is ____ to ____. b) Construct a 99% confidence interval for the regression coefficient for x2 and interpret its meaning. -The 99% confidence interval for the true population coefficient B2 is approximately from ___ to ___.
Consider the following set of dependent and independent variables. Use these data to complete parts a and b below. y 48 46 42 42 35 32 30 25 16 x1 78 66 80 52 42 46 30 15 13 x2 22 26 21 20 14 16 9 13 11 a) Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning. -The 95% confidence interval for the true population coefficient B1 is ____ to ____. b) Construct a 99% confidence interval for the regression coefficient for x2 and interpret its meaning. -The 99% confidence interval for the true population coefficient B2 is approximately from ___ to ___.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Consider the following set of dependent and independent variables. Use these data to complete parts a and b below.
| y | 48 | 46 | 42 | 42 | 35 | 32 | 30 | 25 | 16 |
| x1 | 78 | 66 | 80 | 52 | 42 | 46 | 30 | 15 | 13 |
| x2 | 22 | 26 | 21 | 20 | 14 | 16 | 9 | 13 | 11 |
a) Construct a 95% confidence interval for the regression coefficient for x1 and interpret its meaning.
-The 95% confidence interval for the true population coefficient B1 is ____ to ____.
b) Construct a 99% confidence interval for the regression coefficient for x2 and interpret its meaning.
-The 99% confidence interval for the true population coefficient B2 is approximately from ___ to ___.
I have many of these questions, i need help knowing what steps to take! Thanks!
![15.3.26-T
Consider the following set of dependent and independent variables. Use these data to complete parts a and b below.
| | y | x₁ | x₂ |
|-----|----|----|----|
| 1 | 48 | 78 | 22 |
| 2 | 46 | 66 | 22 |
| 3 | 42 | 80 | 21 |
| 4 | 42 | 52 | 20 |
| 5 | 35 | 42 | 14 |
| 6 | 32 | 46 | 16 |
| 7 | 30 | 30 | 9 |
| 8 | 25 | 15 | 13 |
| 9 | 16 | 13 | 11 |
a. Construct a 95% confidence interval for the regression coefficient for \(x_1\) and interpret its meaning.
The 95% confidence interval for the true population coefficient \(\beta_1\) is [___] to [___].
(Round to three decimal places as needed.)
Enter your answer in the edit fields and then click Check Answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F40221bcd-c668-490f-a9c5-85d791c1c431%2Fe4afd3ab-45e9-4335-a39f-9a29ecb3e041%2F5q3idgr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15.3.26-T
Consider the following set of dependent and independent variables. Use these data to complete parts a and b below.
| | y | x₁ | x₂ |
|-----|----|----|----|
| 1 | 48 | 78 | 22 |
| 2 | 46 | 66 | 22 |
| 3 | 42 | 80 | 21 |
| 4 | 42 | 52 | 20 |
| 5 | 35 | 42 | 14 |
| 6 | 32 | 46 | 16 |
| 7 | 30 | 30 | 9 |
| 8 | 25 | 15 | 13 |
| 9 | 16 | 13 | 11 |
a. Construct a 95% confidence interval for the regression coefficient for \(x_1\) and interpret its meaning.
The 95% confidence interval for the true population coefficient \(\beta_1\) is [___] to [___].
(Round to three decimal places as needed.)
Enter your answer in the edit fields and then click Check Answer.
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