Consider the four x y pairs 0 0 1 1 1 -1 and 2


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 > 0.5.

c. If a fifth observation is made at the value x = 6, find a value of y for which r <>

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Basic Computer Science: Consider the four x y pairs 0 0 1 1 1 -1 and 2
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