Question

Which of the following is an example of a time series? A) the balances of all...

Which of the following is an example of a time series?

A) the balances of all checking accounts at wells fargo

B) the heights of players on the Orlando magic basetball team

C) the mobthly sales of Ford F-150 pick up trucks

D) the current average prices of regular gasoline in different states of the U.S.

Math   Statistics-And-Probability   
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Answer #1

Ans.

C. the monthly sales of Ford F-150 picks up trucks.

According to definition, time series is nothing but collection of quantitative observations that are evenly spaced in time and measured successively. Quantities that represent or trace the values taken by a variable over a period such as a month, quarter, or year.

OR

We can say that time series is values taken by a variable over time (such as daily sales revenue, weekly orders, monthly overheads, yearly income) and tabulated or plotted as data points.

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