15. For a sample of her 10 students, an instructor correlates 15. “test anxiety” (X) with “percent correct” (Y) on the recent midterm. The data are as follows:

(a) Would the Pearson r be an appropriate measure of association for these data?
(Explain.) (Hint: Construct a scatterplot.)

(b) What would be the statistical consequence of computing Pearson r from these data? (No calculations necessary.)