This data is representing a sales volume on different periods over a couple of years. Using the 3 period moving average and exponential smoothing with the damping factor of 0.75, make a forecast for the next period (period 149). 1) Plot the data, and comment on the pattern of the data. (5 marks) 1) What is the forecasted velue for period 149 using the 3 period moving average? (7.5 marks) 2) What is the forecasted velue for period 149 using the exponential smoothing? (7.5 marks) 3) Calculate the Mean square error for both methods you used, and comment on which one of the forecasting methods has provided a better forecast value? Why? (15 marks) 4) Using the linear regression analysis, what forecast is expected for period 149? (5 marks) 5) What do you think of the accuracy of the forecasted value that you obtained using the regression analysis? Please explain. (10 marks)