A Forecasting Method Has Produced the Following Over the Past

question 76

Multiple Choice

A forecasting method has produced the following over the past five months. What is the mean absolute deviation?
$\begin{array}{|c|c|c|c|}\hline \text { Actual } & \text { Forecast } & \text { Error } & \mid \text { Error } \mid \\\hline 10 & 11 & -1 & 1 \\\hline 8 & 10 & -2 & 2 \\\hline 10 & 8 & 2 & 2 \\\hline 6 & 6 & 0 & 0 \\\hline 9 & 8 & 1 & 1 \\\hline\end{array}$

• A) -0.2
• B) -1.0
• C) 0.0
• D) 1.2
• E) 8.6

---

Definitions:

Unionized Factory

A manufacturing facility where the workforce is organized into a union, which negotiates collectively for wages, hours, and working conditions.

Professional Labour Market

The segment of the labor market comprised of jobs that require specialized knowledge and often higher education, typically associated with professional licensure or certification.

Associate Professor

An academic title used in colleges and universities to denote a faculty member who ranks above an assistant professor and below a full professor.

Proletarian Labour Market

Refers to the segment of the labor market associated with working-class individuals in low-skilled, manual labor occupations.