Approximate the Sample Variance Given the Following Frequency Distribution A) 1797
B) 13

question 52

Multiple Choice

Approximate the sample variance given the following frequency distribution.

$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 9 & 10 \\10 - 19 & 17 \\20 - 29 & 12 \\30 - 39 & 14 \\40 - 49 & 11 \\\hline\end{array}$

• A) 179.7
• B) 13.5
• C) 182.5
• D) 13.4

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