The Ratios of "Actuals to Moving Averages" (Seasonal Indexes)for a Time

question 58

Multiple Choice

The ratios of "actuals to moving averages" (seasonal indexes) for a time series are presented in the following table as percentages. $$\begin{array} { | r | r | r | r | r | r | } \hline & 2008 & 2009 & 2010 & 2011 & 2012 \\\hline Q _ { 1 } & & 112.22 & 110.78 & 111.22 & 111.87 \\\hline Q _ { 2 } & & 100.65 & 108.68 & 103.78 & 101.95 \\\hline Q _ { 3 } & 97.76 & 99.08 & 97.68 & 97.61 & \\\hline Q _ { 4 } & 86.61 & 95.00 & 94.64 & 92.92 & \\\hline\end{array}$$ The final (completely adjusted) estimate of the seasonal index for Q₄ is __________.

• A)86.61
• B)90.90
• C)93.78
• D)92.29
• E)93.00

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Definitions:

Response Inhibition

The ability to suppress actions that are inappropriate or no longer required, a crucial aspect of executive functioning and self-control.

Formal Operational

A stage in cognitive development, as proposed by Jean Piaget, where individuals are able to think abstractly, reason logically, and understand hypothetical concepts.

Concrete Operational

A stage in Piaget's theory of cognitive development where children begin to think logically about concrete events.

Preoperational

A stage in Piaget's theory of cognitive development, typically from ages 2 to 7, where children begin to engage in symbolic play and struggle with logic and taking the perspective of others.