Which of the Following Best Describes a Time Series

question 106

Multiple Choice

Which of the following best describes a time series?

• A)A time series is a set of measurements on a variable collected at the same time.
• B)A time series is a set of measurements on a variable taken over some time period in sequential order.
• C)A time series is a model that attempts to analyze the relationship between a dependent variable and one or more independent variables.
• D)A time series is a model that attempts to forecast the future value of a variable.

---

Definitions:

Regression Sum Of Squares

A measure of the variance explained by the regression model, representing the difference between the observed values and the mean of the dependent variable.

Adjusted Coefficient

A statistical measure corrected for the number of predictors in a model to better assess the goodness-of-fit.

Explanatory Variable

A variable in a statistical model that is used to explain variations in the dependent variable.

Error Sum Of Squares

A measure in statistics of the discrepancy between the data and an estimation model.