Given the Following Data, Calculate the Three-Year Moving Averages for Years

question 147

Essay

Given the following data, calculate the three-year moving averages for years 4 through 10.
$$\begin{array} { | c | c | } \hline \text { Year } & \text { Demand } \\\hline 1 & 74 \\\hline 2 & 90 \\\hline 3 & 59 \\\hline 4 & 91 \\\hline 5 & 140 \\\hline 6 & 98 \\\hline 7 & 110 \\\hline 8 & 123 \\\hline 9 & 99 \\\hline\end{array}$$

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Definitions:

Mean Speed

The average rate at which an object covers distance, calculated by dividing the total distance by the total time taken.

Normal Model

A statistical representation of data sets depicting their distribution typically assumed to be Gaussian or bell-shaped.

Unusually Low

Values or observations that significantly deviate below the expected range within a dataset or statistical analysis.

English Exam

A test or examination that assesses proficiency in the English language, covering various aspects such as reading, writing, speaking, and listening skills.