Height and Score. A random sample of 10 students was taken from an introductory statistics class. The following data were obtained, where x denotes height, in inches, and y denotes score on the final exam.

x 71 68 71 65 66 68 68 64 62 65 y 87 96 66 71 71 55 83 67 86 60

a. What sort of value of r would you expect to find for these data?

Explain your answer.

b. Compute r.