Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter4A: Problems In Applying The Linear Regression Model
Section: Chapter Questions
Problem 1E
Related questions
Question
16 | The margin of error for a 95% confidence interval for β₁ is, | |||||
a | 1.0045 | |||||
b | 1.0574 | |||||
c | 1.1130 | |||||
d | 1.1716 |
![Questions 1-17 arerelated to the following
Below are the values for two variables x and y obtained from a sample of size 25. We want to build a regression equation
based the sample data.
ý = bo + bịx
bo =
b1 =
y
X
41
8.3
21.6
4.9
32
23.5
4
19.2
4.8
29.9
7.6
22.8
8.7
27.4
5.8
46.6
12.2
29.5
8
27
6.9
41.4
9.9
35.7
12.9
38.4
9.2
26.7
8.6
34.7
10.1
19.5
4.9
43.6
9.5
35.7
8.8
51.7
11.7
38.6
6.8
44.7
9.4
40
7.2
28.6
10.7
33.4
7.1
27.2
7
23.2
6.4
32.4
7.7
35.8
9.7
28.5
7.5
40.5
8.
37.2
9.7
18.4
4.5
50.8
8.6
36.5
8.8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F15a526c6-de52-4025-8530-5e7aa950042d%2F8a0a7a7f-185d-4dcf-bbe8-fecf2dcde793%2Falbdmwt_processed.png&w=3840&q=75)
Transcribed Image Text:Questions 1-17 arerelated to the following
Below are the values for two variables x and y obtained from a sample of size 25. We want to build a regression equation
based the sample data.
ý = bo + bịx
bo =
b1 =
y
X
41
8.3
21.6
4.9
32
23.5
4
19.2
4.8
29.9
7.6
22.8
8.7
27.4
5.8
46.6
12.2
29.5
8
27
6.9
41.4
9.9
35.7
12.9
38.4
9.2
26.7
8.6
34.7
10.1
19.5
4.9
43.6
9.5
35.7
8.8
51.7
11.7
38.6
6.8
44.7
9.4
40
7.2
28.6
10.7
33.4
7.1
27.2
7
23.2
6.4
32.4
7.7
35.8
9.7
28.5
7.5
40.5
8.
37.2
9.7
18.4
4.5
50.8
8.6
36.5
8.8
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