Assignment task:
For a certain company, the monthly percentages of all shipments received on time over the past 12 months are 80, 82, 85, 83, 83, 84, 85, 84, 82, 83, 85, and 83.
Compare the three-month moving average forecast with an exponential smoothing forecast for?? = 0.3.
Compute the MSE for the three-month moving approach. (Round your answer to two decimal places.)
Compute the MSE for the exponential smoothing forecast for ?? = 0.3. (Round your answer to two decimal places.)