The Decomposition Method Attempts to Isolate Four Separate Portions of a Time

Multiple Choice

The decomposition method attempts to isolate four separate portions of a time series, which are __________.

A) The trend, the numbers, the fashions and randomness
B) The trend, cyclical, seasonal, and random factors
C) The trend, the effect, the season, and random factors
D) The trend, the forecast, the smoothing, the decomposition
E) None of the above