Four Types of Forecast Error Measures Can Be Used

question 12

Multiple Choice

Four types of forecast error measures can be used. Which one of the following is not one of the four types?

• A) Cumulative sum of forecast errors
• B) Exponential smoothing for trends
• C) Mean squared error
• D) Mean absolute deviation

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Definitions:

Wildcard

In computing, a symbol or set of symbols used to represent unknown, variable, or multiple characters or numbers in a command or search.

SortedSet

An interface in the Java Collections Framework representing a set that maintains its elements in ascending order.

Set Interface

An interface in Java Collections Framework representing a collection that contains no duplicate elements and has no specific order.

TreeSet< T >

A navigable set implementation based on a Red-Black tree, which stores its elements in sorted, ascending order.