A Time Series Analysis Was Performed to Determine the Number

question 52

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 the error terms are presented in the following table.The mean error (ME) for this forecast is ___________. $\begin{array}{|r|r|r|r|}\hline \text { Monthh } & \text { Actual } & \text { Forecast} & \text { Error } \\\hline \text { July } &4 & & \\\hline \text { Aug } & 6 & 5 &-1 \\\hline \text { Sept } & 3 & 6 &3 \\\hline \text { Oct } & 9 & 8& -1 \\\hline \text { Nov } &8 &9& 1 \\\hline\end{array}$

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

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Definitions:

Deindividuation

Deindividuation refers to a psychological state where an individual loses self-awareness and a sense of individuality, often leading to uninhibited or norm-defying behavior, usually in group settings.

Anonymous

Describing someone or something that is unnamed or not identified by name, often used to maintain privacy or confidentiality.

Self-Aware

Having conscious knowledge of one's own character, feelings, motives, and desires.

Commons Dilemma

A situation in which individual users acting independently and rationally according to their own self-interest behave contrary to the best interests of a whole by depleting a common resource.