Question: The correlation between variables x and y =.50. You compute a least squares regression line wit this bivariate data. Which of the following is true?

The correlation between variables x and y =.50. You compute a least squares regression line wit this bivariate data. Which of the following is true?

a. the r^2 is greater than .50

b. the regression constant(or y-intercept) is positive

c. the regression coefficient is positive

d. the slope of the regression line is negative

e. all of the above

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