Given: A_t = the Actual Value of the Time Series

question 53

Multiple Choice

Given: A_t = the actual value of the time series at time t,F_t = the forecast value for time t,and n = the number of forecast values.Identify the formula used to calculate the mean absolute deviation.

• A)_{MAD =}
• B)MAD =
• C)MAD =
• D)MAD =

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Definitions:

DSM-5

The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a comprehensive classification of mental disorders by the American Psychiatric Association.

Mood Disorders

A category of mental health disorders characterized by significant disturbances in an individual’s mood, such as depression or bipolar disorder.

Bipolar Disorders

Psychiatric conditions characterized by significant shifts in mood, energy, and activity levels, ranging from manic highs to depressive lows.

Depressive Disorders

A group of conditions characterized by persistent feelings of sadness and worthlessness and a lack of desire to engage in previously enjoyable activities.