Question 1

Given an actual demand of 103,a previous forecast value of 99,and an alpha of .4,the exponential smoothing forecast for the next period would be

Accepted Answer

A)  94.6.
B)  97.4.
C)  100.6.
D)  101.6.
E)  103.0.F) A) and E)
G) D) and E)

Question 2

John's House of Pancakes uses a weighted moving average method to forecast pancake sales.It assigns a weight of 5 to the previous month's demand,3 to demand two months ago,and 1 to demand three months ago.If sales amounted to 1000 pancakes in May,2200 pancakes in June,and 3000 pancakes in July,what should be the forecast for August?

Accepted Answer

A)  2400
B)  2511
C)  2067
D)  3767
E)  1622F) B) and E)
G) A) and B)

Question 3

Which of the following statements comparing the weighted moving average technique and exponential smoothing is true?

Accepted Answer

A)  Exponential smoothing is more easily used in combination with the Delphi method.
B)  More emphasis can be placed on recent values using the weighted moving average.
C)  Exponential smoothing is considerably more difficult to implement on a computer.
D)  Exponential smoothing typically requires less record keeping of past data.
E)  Exponential smoothing allows one to develop forecasts for multiple periods,whereas weighted moving averages does not.F) C) and D)
G) A) and B)

Question 4

Which time-series model below assumes that demand in the next period will be equal to the most recent period's demand?

Accepted Answer

A)  naive approach
B)  moving average approach
C)  weighted moving average approach
D)  exponential smoothing approach
E)  random approachF) A) and E)
G) B) and E)

Exam 4: Forecasting

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Which time-series model below assumes that demand in the next period will be equal to the most recent period's demand?

Correct Answer
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Given an actual demand of 103,a previous forecast value of 99,and an alpha of .4,the exponential smoothing forecast for the next period would be

Correct Answer
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Which of the following statements comparing the weighted moving average technique and exponential smoothing is true?

Correct Answer
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Exam 4: Forecasting

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Which time-series model below assumes that demand in the next period will be equal to the most recent period's demand?

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Given an actual demand of 103,a previous forecast value of 99,and an alpha of .4,the exponential smoothing forecast for the next period would be

Correct AnswerverifiedShow Answer

Which of the following statements comparing the weighted moving average technique and exponential smoothing is true?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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