A sequence of observations on a variable measured at successive periods of time is known as a(n)
A) trend component.
B) time series.
C) forecast.
D) additive time series model.

Question

Quizplus · Accepted Answer

The definition given in the question describes a time series, which is a sequence of measurements taken at regular time intervals. A trend component refers specifically to the long-term movement of the time series, whereas a forecast is a prediction of future values based on the time series data. An additive time series model is a specific method for decomposing a time series into its components (trend, seasonality, etc.) and is not the same as a time series itself.

A Sequence of Observations on a Variable Measured at Successive