Using the Data Shown Below in Table 1, Compute the Mean

question 8

Multiple Choice

Using the data shown below in Table 1, compute the mean square error, mean absolute deviation, and mean absolute percentage error for the forecasts shown and then answer Questions
Table 1
$\begin{array}{|l|c|c|}\hline \text { Month } & \text { Forecast Demand } & \text { Actual Demand } \\\hline \text { April } & 170 & 180 \\\hline \text { May } & 225 & 200 \\\hline \text { June } & 210 & 200 \\\hline \text { July } & 260 & 240 \\\hline \text { August } & 200 & 230 \\\hline\end{array}$
-The mean absolute deviation (MAD) is:

• A) less than or equal to 20.
• B) more than 20 but less than or equal to 30.
• C) more than 30 but less than or equal to 40.
• D) more than 40 but less than or equal to 50.

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Definitions:

Sales Performance

The measure of the effectiveness and efficiency of a sales team or individual in achieving sales goals.

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Formal assessments where employee performance is evaluated, typically by their supervisors, against set objectives.

Personality Comments

Observations or feedback regarding an individual's character traits, often used in contexts such as performance reviews or interpersonal communication.

Performance Reviews

A regular evaluation of an employee's job performance by their supervisor, often used to determine pay raises, promotions, and development needs.