If the coefficient of determination is 0.81, the correlation coefficient Select one: a. could be either...
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If the coefficient of determination is 0.81, the correlation coefficient Select one: a. could be either + 0.9 or - 0.9 b. must be negative c. is 0.6561 d. must be positive If the coefficient of determination is 0.81, the correlation coefficient Select one: a. could be either + 0.9 or - 0.9 b. must be negative c. is 0.6561 d. must be positive
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