The Primary Purpose of the Mean Absolute Deviation (MAD) in Forecasting

question 25

Multiple Choice

The primary purpose of the mean absolute deviation (MAD) in forecasting is to

• A) estimate the trend line
• B) eliminate forecast errors
• C) measure forecast accuracy
• D) seasonally adjust the forecast
• E) all of the above

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Definitions:

Groundwater

Water held underground in the soil or in pores and crevices in rock.

Fractures

Breaks in rock or mineral without the movement parallel to the surface of the break, often a result of stress exceeding the strength of the material.

Underground Lakes

Bodies of water that exist beneath the Earth's surface, often found in caves or formed by natural aquifers.

Porosity

A measure of how much of a rock is open space, which can hold water, oil, or gas.