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Q 3 Given the least squares regression line y = -2.88 + 1.77x, and a coefficient of determination of 0.81, the coefficient of correlation is

Q 3 Given the least squares regression line y = -2.88 + 1.77x, and a coefficient of determination of 0.81, the coefficient of correlation is Select one: O a. -0.95 O. b. +0.88 A c. +0.90 O d. -0.88

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