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

Question

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

Quizplus · Accepted Answer

The three-period trailing moving average for period 6 is the average of the values of y_t for t = 4, 5, and 6. This is (34 + 38 + 26) / 3 = 32.67.

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