Please answer in full details with full steps how you got to your conclusion and round all answers to 2 decimal points! Thank you!

5 4) (6 points) A professor has found that scores on the midterm exam in her classes predict scores on the final exam. The regression constant for predicting final exam scores from midterm exam scores is 40 and the regression coefficient is .5. a. Indicate the predictor variable, and the criterion variable. b. Write the regression equation for predicting the final based on the available information c. Figure the predicted final exam scores for each of the four students whose scores on the midterm were (i) 30, (1i) 40, (iii) 50, (iv) 100