Which of these describes a univariate time series?

The values of several variables at one momentCorrect answerYour answerTwo variables recorded against each otherCorrect answerYour answerValues listed in order of sizeCorrect answerYour answerThe values of one variable recorded over timeCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

'Univariate' means one variable; a time series records it at successive times.
So a univariate time series is one variable, such as monthly sales, followed through time.

Worth noting

Ordering values by size destroys the time order, which is the whole point of a time series.

Concept: What a time series is
Typical timeTypical: 60 s
Your timeYours: —

The rule this testsWhat a time series is

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Which of these describes a univariate time series?

Explanation