A Time Series Analysis Was Performed to Determine the Number

question 94

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 squared error (MSE) 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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Colonists

Individuals who settle in a new land or territory while maintaining ties with their parent country, often involved in the establishment of new colonies.