- A) $6.5$ B) 7
C) 6
D) $5.5$

Multiple Choice

$$\text { Use the given table to determine the mean, } \mu _ { \chi ^ { \prime } } ^ { - } \text {of the variable } \bar { x } \text { for the given sample size. }$$
- $\begin{array}{c|c}\text { Sample } & \bar{x} \\\hline 4,5 & 4.5 \\4,6 & 5 \\4,7 & 5.5 \\4,8 & 6 \\5,6 & 5.5 \\5,7 & 6 \\5,8 & 6.5 \\6,7 & 6.5 \\6,8 & 7 \\7,8 & 7.5\end{array}$

A) $6.5$
B) 7
C) 6
D) $5.5$