Posted: March 20th, 2017

Quiz Questions

Questions 22-23 refer to the following situation

Before moving away to college, Lisa is warned about the high cost of  parking tickets close to campus. To determine the validity of the  warning, Lisa asks 10 other students at registration how long they have  been a student and how much they paid last year in parking tickets.  The  data are as follows:

Person    Years a Student    Amount Paid
A    1    $600
B    2    $500
C    5    $350
D    6    $250
E    3    $600
F    4    $450
G    5    $300
H    7    $300
I    4    $350
J    3    $700

22. Compute the appropriate correlation coefficient.

23. Test the significance of the obtained correlation (use α  .05) using Table H of Appendix C.

please refer to the following situation and attachment for 24 ONLY!

24. 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):

24. Compute the Pearson’s r and test the significance of the obtained correlation (use α .05) using Table H of Appendix C.

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