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

question 118

Multiple Choice

Suppose that we calculate the four-period moving average of the following time series $$\begin{array} { | c | c c c c | c | c | } \hline \boldsymbol { t } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \boldsymbol { y } _ { \mathbf { t } } & 16 & 28 & 21 & 15 & 26 & 12 \\\hline\end{array}$$ The centered moving average for period 3 is:

• A) 22.5
• B) 21.25
• C) 20.50
• D) 18.5

Use a graphing calculator for solving systems of equations.

Identify the center and vertices of hyperbolas from their equations.

Solve systems of equations by the method of elimination.

Solve quadratic equations.

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