In simple linear regression, which of the following statements is correct when all the actual values of y are on an upward sloping regression line? a.The coefficient of determination is equal to one and the correlation coefficient is negative but the sign of the slope is positive. b.The correlation coefficient and the slope must both be equal to 1. c.The coefficient of determination and the correlation coefficient are both equal to 1 and the slope is positive. d.The correlation coefficient and the slope must both be equal to –1.
Added by Jason M.
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Step 1: When all the actual values of y are on an upward sloping regression line, it means that there is a positive relationship between the independent variable (x) and the dependent variable (y). Show more…
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