If the Errors Produced by a Forecasting Method for 3

question 118

Multiple Choice

If the errors produced by a forecasting method for 3 observations are +3, +3, and −3, then what is the mean squared error?

• A) 9
• B) 0
• C) 3
• D) −3
• E) 2

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Definitions:

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A document that participants receive before a study begins; the form contains enough information about the study procedures, including any potential harm they (or others) might experience, so participants can decide if they want to participate.

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A process in which individuals are clearly briefed on the key facts and risks of a procedure or experiment before agreeing to participate.

Psychological Study

The scientific research or investigation into human mind and behavior, exploring various aspects such as cognition, emotion, and social interactions.

Reactance

A motivational reaction to restrictions on personal freedom, manifesting in an urge to regain that freedom.