Question: a. Find an expression for the unexplained variation in terms of the sample size n and the standard error of estimate s .e b. Find

a. Find an expression for the unexplained variation in terms of the sample size n and the standard error of estimate s .e
b. Find an expression for the explained variation in terms of the coefficient of determination r2 and the unexplained variation.
c. Suppose we have a collection of paired data for which r2 = 0.900 and the regression equation is y = 3 - 2x. Find the linear correlation coefficient.

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a Since s 2 e y 2 n 2 then n 2s 2 e y 2 The unexplained variation is equal ... View full answer

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