*7. Suppose you change the data in Problem 3a so that the bottom case is X 1 and Y 12 rather than X

*7. Suppose you change the data in Problem 3a so that the bottom case is X ¼ 1 and Y ¼ 12 rather than X ¼ 1 and Y ¼ 2.

(a) Without doing any calculations, state how (and why) this change would affect the numerator of the covariance and, in turn, the covariance itself.