Paper 1 · November 2018 · time series
Which of the following is not one of the four traditional components of a time series?
ACorrelation
BSeasonal variation
CCyclical variation
DTrend
Explanation
The four traditional components of a time series are trend, seasonal variation, cyclical variation and irregular (random) variation. Correlation describes the association between two variables and is not one of the four time-series components.
Derived from ZIMSEC Statistics Paper 1, November 2018, Q3