Match each example in List I with the component of a time series in List II.

Match each example in List I with the…

Question 19

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Match each example in List I with the component of a time series in List II.

List I	List II
A. Ice-cream sales peak every May	I. Irregular variation
B. Car ownership rising over 30 years	II. Seasonal variation
C. Exports hit by a sudden strike at a port	III. Cyclical variation
D. Investment rising and falling over a decade	IV. Secular trend

A-IV, B-II, C-I, D-IIICorrect answerYour answerA-II, B-IV, C-III, D-ICorrect answerYour answerA-II, B-IV, C-I, D-IIICorrect answerYour answerA-IV, B-II, C-III, D-ICorrect answerYour answer

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CorrectNot quiteAnswer C

Correct answer: C

A yearly peak is seasonal; a 30-year rise is the trend.
A sudden strike is irregular; a rise and fall over a decade is cyclical.

Concept: Matching components to examples
Typical timeTypical: 120 s
Your timeYours: —

The rule this testsComponents of a time series

Practise this chapter →

Ten questions from Time Series & Trend, at your own pace.

Practise this chapter →

Ten questions from Time Series & Trend, at your own pace.

Question 19

Explanation