21) When using regression analysis with x representing the independent variable and y the dependent variable, if the y intercept is negative, then a. the correlation between x and y is negative. b. the correlation between x and y is positive. c. the correlation between x and y could be either negative, positive or zero. d. the predicted y value is always negative. 22) When using regression analysis, the input variable that is used to get a predicted value is the same as a. the dependent variable. b. the independent variable. c. the regression variable. d. the random variable. Find the value of the linear correlation coefficient r. Page | 4