If Forecast Errors Are Normally Distributed Then

question 45

Multiple Choice

If forecast errors are normally distributed then

• A)1 MAD = 1σ
• B)1 MAD ≈ 0.8 σ
• C)0.8 MAD ≈ 1σ
• D)1 MAD ≈ 1.96 σ

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Definitions:

Decay Theory

A theory of forgetting suggesting that memories fade over time as a result of mere passage of time, without any active interference.

Sensory Memory

The shortest-term element of memory that allows us to retain impressions of sensory information after the original stimuli have ended.

Short-term Memory

A cognitive system that temporarily holds a limited amount of information in awareness for a short period of time, typically seconds to minutes.

Form New Memories

The process by which experiences are encoded, stored, and later retrieved in the brain, contributing to learning and the continuity of personal identity.