In a survey of delinquent peers, a small sample of adolescents is asked to rate
ID: 3245062 • Letter: I
Question
In a survey of delinquent peers, a small sample of adolescents is asked to rate the overall delinquency of their closest friends on a scale of 1 to 10. Later, the same survey asks the respondents to self-report their delinquency rating on the same scale. The data for twelve subjects are as follows (high scores signify high levels of delinquency):
Respondent
Delinquent Peer Rating
Self-Report Rating
A
10
8
B
10
9
C
9
8
D
9
6
E
8
9
F
8
3
G
7
7
H
7
2
I
6
3
J
6
4
K
5
2
L
5
3
Compute the Pearson's r and test the significance of the obtained correlation (use .05) using Table H of Appendix C.
Respondent
Delinquent Peer Rating
Self-Report Rating
A
10
8
B
10
9
C
9
8
D
9
6
E
8
9
F
8
3
G
7
7
H
7
2
I
6
3
J
6
4
K
5
2
L
5
3
Explanation / Answer
By using minitab software
To test hypothesis
H0: row = 0 vs H1 : row is not equal to 0
Correlation: delinquent peer rating, self report rating
Pearson correlation of delinquent peer rating and self report rating = 0.772
P-Value = 0.003 < alpha = 0.05
Reject H0 at 5% los
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