Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Textbook Question
Chapter 13, Problem 13.3P
Twelve families have been referred to a counselor, and she has rated each of them on a scale that measures family cohesiveness. Also, she has information on family income and number of children currently living at home. Take family cohesion as the dependent variable.
Family | Cohesion Score | Income | Number of Children |
A | 10 | 30,000 | 5 |
B | 10 | 70,000 | 4 |
C | 9 | 35,000 | 4 |
D | 5 | 25,000 | 0 |
E | 1 | 55,000 | 3 |
F | 7 | 40,000 | 0 |
G | 2 | 60,000 | 2 |
H | 5 | 30,000 | 3 |
I | 8 | 50,000 | 5 |
J | 3 | 25,000 | 4 |
K | 2 | 45,000 | 3 |
L | 4 | 50,000 | 0 |
a. Find the multiple regression equations (unstandardized).
b. What level of cohesion would be expected in a family with an income of $20,000 and six children?
c. Compute beta-weights for each independent variable and compare their relative effect on cohesion. Which was the more important factor?
d. Compute
e. Write a paragraph summarizing your findings.
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