Gradual shifting or movement of a time series to relatively higher or lower values over a longer period of time is called _____.
A) periodicity
B) a cycle
C) regression
D) a trend

Question

Quizplus · Accepted Answer

Gradual shifting of a time series to relatively higher or lower values over a longer period of time is referred to as a trend. Periodicity refers to the predictable pattern of peaks and valleys that occur at regular intervals. A cycle refers to a repeating pattern of ups and downs in a time series over a fixed period of time. Regression refers to the statistical method used to determine the relationship between two or more variables.

Gradual Shifting or Movement of a Time Series to Relatively