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Test whether there is significant correlation for given problem using Pearson correlation.
It is well known that similarities in attitudes, beliefs, and interests play an important role in interpersonal attraction. Thus correlations for attitudes between married couples should be strong. Suppose a researcher developed a questionnaire that measures how liberal or conservative one's attitudes are. Low scores indicate that the person has liberal attitudes, whereas high scores indicate conservatism. The following hypothetical data are scores for married couples.
Couple
Wife
Husband
A
11
14
B
6
7
C
16
15
D
4
E
1
3
F
10
9
G
5
H
8
Compute the Pearson correlation for these data, and determine whether there is a significant correlation between attitudes for husbands and wives. Set alpha at .05, two tails.
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