In May, a Firm Experienced a Forecast Error of -25

question 125

Multiple Choice

In May, a firm experienced a forecast error of -25. In June and July, the forecast errors were found to be -10 and 20, respectively. What is the firm's forecast MAD for these three months?

• A) -15
• B) -5
• C) 18.3
• D) MAD cannot be determined from the information provided

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Definitions:

Acidic Water

Water with a pH less than 7, indicating it has a higher concentration of hydrogen ions than pure water.

Phosphoglyceride

A type of glycerophospholipid which is a major component of cell membranes, composed of two fatty acids, a glycerol unit, and a phosphate group.

Cephalin

A class of phospholipids found in animal and plant cells, important for the formation of biomembranes and involved in signaling pathways.

Polar Head Group

The part of a molecule (e.g., in a phospholipid) that is hydrophilic due to its electronegativity, leading to interactions with water.