29.

A forecasting method has produced the following over the past five months. What is the mean absolute percent error?

Actual	Forecast
16	16
12	17
12	14
13	14
15	18

• A.

  2.2%

• B.

  15.8%

• C.

  17.22%

• D.

  7.8%

• E.

  0.17%

27.

What is the forecast for March using a four-month moving average?

Sep.	Oct.	Nov.	Dec.	Jan.	Feb.
43	45	39	40	28	37

• A. 36
• B. 44
• C. 42
• D. 35
• E. 37

28.Given a forecast of 76 for this period, an actual demand of 90 for this period, and an alpha of 0.2, what would the forecast for the next period be using exponential smoothing? Give your answer rounded to one decimal place.

• A. 84.2
• B. 83.0
• C. 89.7
• D. 87.2
• E. 78.8