A researcher surveyed 12 men who lost their fathers earlier in their lives. His survey included the age of the subjects when their fathers died and their confidence that they would someday be happily married themselves (100 point scale – higher score = more confidence). The results are shown below. Mx=15 My =60 SSx=348 SSy=5198 SPxy=933 Age Confidence Rating 12 34 8 30 11 89 21 69 15 55 7 38 18 78 23 66 22 89 19 79 9 35 15 58 Based on the correlation coefficient, what kind of relationship is there between the two variables? Group of answer choices A)Cause and effect relationship B)Positive relationship C)Negative relationship D)No relationship
A researcher surveyed 12 men who lost their fathers earlier in their lives. His survey included the age of the subjects when their fathers died and their confidence that they would someday be happily married themselves (100 point scale – higher score = more confidence). The results are shown below. Mx=15 My =60 SSx=348 SSy=5198 SPxy=933 Age Confidence Rating 12 34 8 30 11 89 21 69 15 55 7 38 18 78 23 66 22 89 19 79 9 35 15 58 Based on the correlation coefficient, what kind of relationship is there between the two variables? Group of answer choices A)Cause and effect relationship B)Positive relationship C)Negative relationship D)No relationship
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A researcher surveyed 12 men who lost their fathers earlier in their lives. His survey included the age of the subjects when their fathers died and their confidence that they would someday be happily married themselves (100 point scale – higher score = more confidence). The results are shown below.
Mx=15 My =60
SSx=348 SSy=5198
SPxy=933
Age | Confidence Rating |
12 | 34 |
8 | 30 |
11 | 89 |
21 | 69 |
15 | 55 |
7 | 38 |
18 | 78 |
23 | 66 |
22 | 89 |
19 | 79 |
9 | 35 |
15 | 58 |
Based on the
Group of answer choices
A)Cause and effect relationship
B)Positive relationship
C)Negative relationship
D)No relationship
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