Forecast Errors

question 20

Multiple Choice

Forecast errors

• A)are the difference in successive values of a time series.
• B)are the differences between actual and forecast values.
• C)should all be nonnegative.
• D)should be summed to judge the goodness of a forecasting model.

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Definitions:

Language Style

The variation in speech and writing which reflects differences in situation, purpose, and audience.

Interactionist View

A perspective in sociology and psychology that emphasizes the importance of interactions between individuals and their environment in shaping behavior and social outcomes.

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The scientific study of life and living organisms, including their structure, function, growth, origin, evolution, and distribution.

Environment

The sum of all external conditions and influences affecting the life and development of an organism or population.