The Following Table Shows Actual Sales Values and Forecasts Provided

question 20

Essay

The following table shows actual sales values and forecasts provided by two different methods.
a. Calculate the MAD for each method.
b. Calculate the MSE for each method.
c. Which method forecasts better?

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Definitions:

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed, theorized to lead to depression and other mental illnesses.

Psychopathology

The scientific study of mental disorders, including their symptoms, etiology (causes), and treatment.

Seligman

A psychologist best known for his research on learned helplessness, optimism, and positive psychology.

Conditioned Response

A learned reaction or response to a previously neutral stimulus that has become associated with an unconditioned stimulus.