Below Are the First Two Values of a Time Series

question 18

Multiple Choice

Below are the first two values of a time series and the first two values of the exponential smoothing forecast. $$\begin{array}{l}\begin{array} { l l l } &&\text { Exp onential Smoothing }\\\text { Time Period } ( t ) & \text { Time Series Value } \left( Y _ { \mathbf { t } } \right) & \text { Forecast } \left( F _ { \mathbf { t } } \right) \\1 & 18 & 18 \\2 & 22 & 18\end{array}\end{array}$$ If the smoothing constant equals .3, then the exponential smoothing forecast for time period 3 is _____.

• A) 18
• B) 19.2
• C) 20
• D) 40

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Definitions:

Gender Differences

Refers to the distinctions in characteristics, behaviours, physical or psychological traits typically associated with males and females.

Statistical Tool

Software or methods used for the analysis, interpretation, and visualization of statistical data.

Causality

The relationship between cause and effect where one variable causes the change in another.

Multiple Regression

An approach in statistics where multiple predictors are used to estimate the outcome of a target variable.