In Simple Regression Analysis, If the Correlation Coefficient Is a Positive

question 68

Multiple Choice

In simple regression analysis, if the correlation coefficient is a positive value, then

• A) the y-intercept must also be a positive value.
• B) the coefficient of determination can be either positive or negative, depending on the value of the slope.
• C) the least squares regression equation could have either a positive or a negative slope.
• D) the slope of the regression line must also be positive.
• E) the standard error of estimate can have either a positive or a negative value.

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