Given Forecast Errors of -1, 5, 9, and -3, What

question 85

Multiple Choice

Given forecast errors of -1, 5, 9, and -3, what is the mean absolute deviation?

• A) 2
• B) 3.5
• C) 4.5
• D) 8.6
• E) 18

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Definitions:

R

In electrical engineering, symbolically represents resistance, the property of a material that opposes the flow of electric current, measured in ohms (Ω).

Z

Often represents impedance in electrical circuits, a measure of opposition to AC including both resistance and reactance.

RC Parallel Circuit

A circuit configuration consisting of a resistor (R) and a capacitor (C) connected in parallel with each other across a power supply.

R

Commonly used to symbolize resistance in electrical equations and diagrams, measured in ohms (Ω).