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
Problem 1P
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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 ___.
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15.3.26-T
Consider the following set of dependent and independent variables. Use these data to complete parts a and b below.
48
46
42
42
35
32
30
25
16
y
X1 78
66
80
52
42
46
30
15
13
X2 22
26
21
20
14
16
6.
13
11
a. Construct a 95% confidence interval for the regression coefficient for x, and interpret its meaning.
The 95% confidence interval for the true population coefficient B, is
(Round to three decimal places as needed.)
to
(1,1)
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