Smoothing a Time Series of Observations

question 12

Multiple Choice

Smoothing a time series of observations

• A)is a form of statistical cheating.
• B)is used to reveal an underlying pattern in the data.
• C)renders the resultant forecast unusable.
• D)allows statisticians to use less data than would otherwise be required.

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Definitions:

Fraction

A mathematical expression representing the division of one whole number by another, not resulting in a whole number.

Roman Numeral

A numeral system originating in ancient Rome, using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to signify values.

Whole Number

A numerical value without fractions or decimals, often used to count discrete objects.

Fraction

A mathematical expression representing the division of one integer by another, typically used to denote a part of a whole.