CASE QUESTIONS

1. Calculate a forecast using a simple three-month moving average.

2. Calculate a forecast using a three-period weighted moving average. Use weights of 0.60, 0.30, and 0.10 for the most recent period, the second most recent period, and

the third most recent period, respectively.

3. Calculate a forecast using the exponential smoothing method. Assume the forecast

for period 1 is 9,500. Use alpha = 0.40.

4. Once you have calculated the forecasts based on the above data, determine the error

terms by comparing them to the actual sales for 2012 given below ?