For the Hawkins Company, the monthly percentages of the shipments received on time over the past 12 months are 80, 82, 84, 83, 83, 84, 82, 83, 84 and 83.
A. Construct a time series plot. What type of pattern exist in data?
B. Compare a three-month moving average forecast with an with an exponential smoothing forecast for Which provides the better forecast using MSE as the measure of model accuracy?
a) Three-month moving average
b) Exponential smoothing forecast for alpha=0.2
c) Both forecasts have the same value
C) What is the forecast for the next month.
a) 83.33
b) 83.67
c) 84.00
d) 84.33