A Method of Smoothing a Time Series That Can Be

question 37

Multiple Choice

A method of smoothing a time series that can be used to identify the combined trend/cyclical component is

• A) the moving average.
• B) the percent of trend.
• C) exponential smoothing.
• D) the trend/cyclical index.

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Definitions:

Unequal-variances T-test

A statistical test used to compare the means of two groups that do not have the same variance.

Non-integer Number

A number that is not an integer, implying it can be a fraction, decimal, or irrational number.

Unequal-variances Test

Statistical tests used when comparing two groups that are assumed not to have the same variance.

Student T-distributed

Pertaining to a probability distribution used in statistics for estimating population parameters when the sample size is small and population variance is unknown.