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 either have a positive or a negative slope.
D)The slope of the regression line must also be positive.
E)The standard error of estimate can either have a positive or a negative value.

Question

Quizplus · Accepted Answer

If the correlation coefficient is positive, it indicates a positive linear relationship between the two variables. This means that as the independent variable increases, the dependent variable also tends to increase. Therefore, the slope of the regression line must also be positive.

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