A Time Series Analysis Was Performed to Determine the Number

question 36

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:

Eating Binges

Episodes of uncontrollable excessive eating, often followed by feelings of guilt or distress.

Incidence

The number of new cases of a disorder in a particular population over a specified time period, usually a year.

Prevalence

Indicates how common or widespread a disease, condition, or characteristic is within a specific population at a given time.

Anorexia Nervosa

An eating disorder characterized by an intense fear of gaining weight and a distorted body image, leading to self-imposed starvation and severe weight loss.