A) 126
B) 14
C) 14

$$\begin{array}{l}\text { Use the given frequency distribution to approximate the mean. }\\\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 9 & 18 \\10 - 19 & 18 \\20 - 29 & 9 \\30 - 39 & 9 \\40 - 49 & 9\end{array}\end{array}$$

A) 12.6
B) 14
C) 14.1
D) 20.7

Correct Answer:

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