Question: 11.63 Consider the situation presented in Exercise 11.62 but suppose that n = 2 (that is, only two data points are available). Prove that the

11.63 Consider the situation presented in Exercise 11.62 but suppose that n = 2 (that is, only two data points are available). Prove that the coefficient of correlation is +1 or −1 as the regression line increases or decreases.

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