Problem:

a. Display the data in a Scatter Plot, (example pg 469)

b. Calculate the correlation coefficient r, and

c. Make a conclusion about the type of correlation

TV and Test Scores: The number of hours 12 students watched television during the weekend and the scores of each student who took atest the following Monday.

Data:

Hours spent watching TV, x 0 1 2 3 3 5

Test score, y 96 85 82 74 95 68

Hours spent watching TV, x 5 5 6 7 7 10

Test score, y 76 84 58 65 75 50