Which of the following does not describe a time series?
A)A time series is a record of a variable across time.
B)A time series is usually measured at equally spaced time intervals.
C)A time series is a data set on numerous individuals measured in units of time (for example, time until completion of the obstacle course; or time until graduation).
D)All of the above describe a time series.

Question

Quizplus · Accepted Answer

Option C describes a longitudinal data set, where data is collected on individuals over a period of time. A time series, on the other hand, records the values of a variable at different points in time. Therefore, option C does not describe a time series.

Which of the Following Does Not Describe a Time Series