For These Data, What Is the Three-Period Trailing Moving Average

question 80

Multiple Choice

For these data, what is the three-period trailing moving average for period 6? $$\begin{array} { | c | c | c | c | c | c | c | c | c | c | } \hline t & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \\\hline y _ { t } & 22 & 33 & 27 & 34 & 38 & 26 & 28 & 35 & 41 \\\hline\end{array}$$

• A)32.67
• B)31.33
• C)33.00
• D)34.67

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Placebo

An inert or innocuous substance given to a patient instead of genuine medication, used in studies to evaluate the efficacy of treatments.

Confederate

An individual who is part of an experiment but pretends to be a participant and is aware of the study's aims.

Experimental

Pertaining to a methodological approach that involves manipulating one variable to determine if changes in one variable cause changes in another variable.