Which one of the following is not a component of the multiplicative time series model?
A)trend
B)irregular variation
C)regression trend
D)seasonality

Question

Quizplus · Accepted Answer

The multiplicative time series model is composed of trend, seasonality, and irregular variation components. The regression trend is not considered a component of this model; instead, "trend" generally refers to the long-term movement in the series, not specifically to a regression trend.

Which One of the Following Is Not a Component of the Multiplicative