A time series is ______.
A) any set of data recorded at the same point in time
B) a sequence of sequential observations of a variable over time
C) a set of randomly measured data points of multiple variables at the same point in time
D) any set of data collected without regard to differences in time

Question

Quizplus · Accepted Answer

A time series is defined as a sequence of sequential observations of a variable over time. Option A is incorrect as data recorded at the same point in time does not necessarily represent a time series. Option C is incorrect as time series data refers to observations of a single variable, not multiple variables. Option D is incorrect as time series data are collected specifically with regard to differences in time.

A Time Series Is ______