$$\text { Use the given table to determine the mean, } \mu _ { \bar { x } ^ { \prime } } \text { of the variable } \bar { x } \text { for the given sample size. }$$
-$\begin{array}{c|c}
\text { Sample } & \bar{x} \
\hline 4,5,8 & 5.7 \
4,5,9 & 6 \
4,8,9 & 7 \
5,8,9 & 7.3
\end{array}$
A)7
B) $6.5$
C) $8.7$
D) 6

Question

Quizplus · Accepted Answer

The mean of the sample means $\bar{x}$ is calculated by averaging the given sample means: $(5.7 + 6 + 7 + 7.3) / 4 = 6.5$.

- Sample xˉ4,5,85.74,5,964,8,975,8,97.3\begin{array}{c|c}\text { Sample } & \bar{x} \\\hline 4,5,8 & 5.7 \\4,5,9 & 6 \\4,8,9 & 7 \\5,8,9 & 7.3\end{array} Sample 4,5,84,5,94,8,95,8,9​xˉ5.7677.3​​

- $\begin{array}{c|c}\text { Sample } & \bar{x} \\\hline 4,5,8 & 5.7 \\4,5,9 & 6 \\4,8,9 & 7 \\5,8,9 & 7.3\end{array}$