You Are Using an Exponential Smoothing Model for Forecasting

question 84

Multiple Choice

You are using an exponential smoothing model for forecasting. The running sum of the forecast error statistics (RSFE) are calculated each time a forecast is generated. You find the last RSFE to be 34. Originally the forecasting model used was selected because it's relatively low MAD of 0.4. To determine when it is time to reevaluate the usefulness of the exponential smoothing model you compute tracking signals. Which of the following is the resulting tracking signal?

• A) 85
• B) 60
• C) 13.6
• D) 12.9
• E) 8

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Definitions:

Fight or Flight

A physiological response to perceived threats that prepares the body to either confront or flee from the threat.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for "fight or flight" responses during stressful situations.

Efferent Nerve Fibres

Nerve fibers that carry impulses away from the central nervous system to effectors such as muscles or glands.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information throughout the body.