A time series exhibits no trend,no seasonal variation,and no cycle.However,the average measurement appears to remain relatively constant over time.The most appropriate way to model this time series would be to use
A)simple exponential smoothing.
B)multiplicative decomposition.
C)a multiple regression model with four predictor variables;one for time and three dummy variables.
D)Holt-Winters' double exponential smoothing model.
E)a no-trend regression model.

Question

Quizplus · Accepted Answer

The no-trend regression model is appropriate for time series with no trend, no seasonal variation, and no cycle.

A Time Series Exhibits No Trend,no Seasonal Variation,and No Cycle