Question: Consider a set of paired bivariate data. a. Explain why (x x) 0 and (y y) 0. b. Describe the effect

Consider a set of paired bivariate data.

a. Explain why (x  x)  0 and (y  y)  0.

b. Describe the effect that lines x  x and y  y

have on the graph of these points.

c. Describe the relationship of the ordered pairs that will cause [(x  x)  (y  y)] to be (1)
positive, (2) negative, and (3) near zero.

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