1) Using the following demand data, make the four-period Simple Moving Average forecast for Week 16.

Week Demand

11 120

12 200

13 120

14 140

15 100

a) 120 b) 145 c) 140 d) 170 e) none of the above

2) .Using weights 0.8 and 0.2 with largest weight to demand assigned to the most recent period, make a two-period Weighted Moving Average forecast for Year 3 with the given sales figures for Year 1 = 110 and Year 2 = 120.

a) 112 b)107 c) 120 d) 128 e) none of the above.

3) Using alpha = 0.1, make an exponentially smoothed forecast for a product for Period 6 if for Period 5 the exponentially smoothed forecast was 60 while the actual demand was 50.

a) 49 b) 50 c) 51 d) 59 e) 61

4) Monthly demand for a product has been as follows in the last 2 months.

January 60 units

February 63 units

What is the forecast for March using exponential smoothing with alpha = 0.3 if the forecast for January was 50 units?

a) 54 b) 53 c) 58 d) 63 e) 56

Use the following data to answer questions 13-16: A Company policy calls for keeping safety-stock equal to 20% the forecasted demand for that month.The company currently has a work force of 7 people.

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