The data for the number of hand-held gaming devices sold for the past 5 weeks are 20 units, 15 units, 25 units, 31 units, and 16 units respectively. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects; thus, a moving average model would be appropriate. The simple moving average value of k is set at 2. What is the difference between the actual value and the forecasted for the 3rd week (rounded to the nearest integer)? A. 6 units B. 8 units C. 5 units D. 4 units

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The data for the number of hand-held
gaming devices sold for the past 5 weeks are
20 units, 15 units, 25 units, 31 units, and 16
units respectively. The time series appears to
be relatively stable, without trend, seasonal,
or cyclical effects; thus, a moving average
model would be appropriate. The simple
moving average value of k is set at 2. What is
the difference between the actual value and
the forecasted for the 3rd week (rounded to
the nearest integer)?
A. 6 units
B. 8 units
C. 5 units
D. 4 units
Transcribed Image Text:The data for the number of hand-held gaming devices sold for the past 5 weeks are 20 units, 15 units, 25 units, 31 units, and 16 units respectively. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects; thus, a moving average model would be appropriate. The simple moving average value of k is set at 2. What is the difference between the actual value and the forecasted for the 3rd week (rounded to the nearest integer)? A. 6 units B. 8 units C. 5 units D. 4 units
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