Consider the four (x, y) pairs (0, 0), (1, 1), (1, 1), and
Chapter 0, Problem 5.84(choose chapter or problem)
Consider the four (x, y) pairs (0, 0), (1, 1), (1, 1), and (2, 0). a. What is the value of the sample correlation coeffi- cient r? b. If a fifth observation is made at the value x 6, find a value of y for which r .5. c. If a fifth observation is made at the value x 6, find a value of y for which r .5.
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