Consider the Following Time Series with Forecast Values and Errors

question 59

Multiple Choice

Consider the following time series with forecast values and errors.
$$\begin{array} { | l | l | } \hline \begin{array} { l } \text { Actual } \\\text { Demand }\end{array} & \begin{array} { l } \text { Forecast } \\\text { Demand }\end{array} \\\hline 10 & 9 \\\hline 13 & 15 \\\hline 15 & 16 \\\hline 11 & 13 \\\hline 12 & 10 \\\hline\end{array}$$
-Calculate the mean absolute deviation (MAD) .

• A)2.8
• B)13.4
• C)7.5
• D)1.6
• E)2.4

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Definitions:

Price Level

A measure of the average prices of goods and services in the economy, often compared over time to assess inflation or deflation.

Long-Run Aggregate Supply Curve

A vertical line representing the real output of goods and services that an economy can produce when it is fully employed, regardless of the level of demand.

Minimum Wage

The lowest legal remuneration that employers are allowed to pay their workers, aimed at protecting workers from unduly low pay.

Open a Business

The process of establishing a new commercial enterprise or venture to sell goods or services.