The Data for the Number of Hand-Held Gaming Devices Sold

question 38

Multiple Choice

The data for the number of hand-held gaming devices sold for the past 5 weeks are 15 units, 20 units, 25 units, 30 units, and 17 units respectively. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects; thus, a moving average model would be appropriate. Setting k = 3 the three-period moving average forecast for week 6 is .

• A) 20 units
• B) 24 units
• C) 30 units
• D) 17 units

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Definitions:

Strictly Positive

In mathematics, referring to a quantity greater than zero.

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Oversimplified and harmful assumptions about a specific group of people that often contribute to prejudice and discrimination.

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