A Time Series Analysis Was Performed to Determine the Number

question 64

Multiple Choice

A time series analysis was performed to determine the number of new online customers that joined the 'Jelly of the Month Club'. The actual number of new customers,the forecast values and error terms is presented in the following table. The mean error (ME) for this forecast is ___________.

• A) -0.50
• B) 0.50
• C) 1.50
• D) 7.00
• E) 3.00

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Definitions:

Biological Perspective

An approach in psychology that examines psychological phenomena in terms of biological processes, including genetics and brain functions.

Generalized Anxiety Disorder

A mental health disorder characterized by chronic and exaggerated worry and tension that is unfounded or much more severe than the normal anxiety most people experience.

Neurotransmitters

Specialized chemicals that facilitate or inhibit the transmission of impulses from one neuron to the next.

Chemical Imbalance

A theory suggesting that mental health conditions are associated with the imbalance of neurotransmitters or other chemicals in the brain.