(a) Compute the correlation coefficient. Interpret the obtained value.
(b) Compute the regression equation. You may use the computation results given above.
(c) Predict the sales volume if the advertisement expenditure was Rm16000.
(d) Compute the coefficient of determination (R2
). Interpret your result. *** ((FOR A I JUST WANT THE COEFFICINET FOR A ( FOR B THE ANSWER IS 2.586)