A. You run a regression analysis on a bivariate set of data (n=120n=120). You obtain the regression equation y=−0.342x+42.713 with a correlation coefficient of r=−0.295 (which is significant at α=0.01). You want to predict what value (on average) for the explanatory variable will give you a value of 80 on the response variable. What is the predicted explanatory value? x = (Report answer accurate to one decimal place.)
B. You run a regression analysis on a bivariate set of data (n=98n=98). With ¯x=34.8x¯=34.8 and ¯y=36.8y¯=36.8, you obtain the regression equation y=−1.568x−27.837 with a correlation coefficient of r=−0.118r=-0.118. You want to predict what value (on average) for the response variable will be obtained from a value of 60 as the explanatory variable. What is the predicted response value? y = (Report answer accurate to one decimal place.)
C. The line of best fit through a set of data is y=1.559+3.894x. According to this equation, what is the predicted value of the dependent variable when the independent variable has value 60? y= Round to 1 decimal place.