A Time Series with Forecast Values and Error Terms Is

question 53

Multiple Choice

A time series with forecast values and error terms is presented in the following table.The mean absolute deviation (MAD) for this forecast is ___________. $\begin{array}{|r|r|r|r|}\hline \text { Monthh } & \text { Actual } & \text { Forecast} & \text { Error } \\\hline \text { July } & 5 & & \\\hline \text { Aug } & 11 & 5 & 6.00 \\\hline \text { Sept } & 13 & 6.8 & 6.20 \\\hline \text { Oct } & 6 & 8.66 & -2.66 \\\hline \text { Nov } & 5 & 7.862 & -2.86 \\\hline\end{array}$

• A)3.54
• B)7.41
• C)4.43
• D)17.72
• E)4.34

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Definitions:

Irrigated Land

Agricultural land that is supplied with water through artificial means to promote crop growth.

Salinity

The concentration of dissolved salts in a given volume of water.

Water Restrictions

Measures implemented to limit the use of water resources typically in response to drought or water scarcity.

Underground Aquifers

Natural underground reservoirs that store water, sourced from rain or melting snow that seeps through soil and rocks.