Suppose That We Calculate the Four-Period Moving Average of the Following

question 65

Multiple Choice

Suppose that we calculate the four-period moving average of the following time series: $$\begin{array} { | c | c c c c c c | } \hline t & 1 & 2 & 3 & 4 & 5 & 6 \\\hline y _ { t } & 18 & 28 & 23 & 17 & 26 & 14 \\\hline\end{array}$$ The centred moving average for period 4 is:

• A) 20.00.
• B) 22.50.
• C) 23.50.
• D) 21.75.

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Definitions:

Geothermal Exchange

The process of using the Earth's constant underground temperature to heat and cool buildings.

Earth's Mantle

The thick layer of rock between the Earth's crust and core, making up about 84% of Earth's volume and involved in plate tectonic movements.

Sustainable Energy

Energy obtained from resources that are replenished at a rate equal to or faster than they are consumed, without depleting natural resources or harming the environment.

Energy Management Systems

Integrated systems designed to monitor, control, and optimize the performance of the energy generation, transmission, and consumption in buildings or industrial facilities.