Approximate the Population Standard Deviation Given the Following Frequency Distribution

question 55

Multiple Choice

Approximate the population standard deviation given the following frequency distribution.
$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 10 \\20 - 39 & 14 \\40 - 59 & 12 \\60 - 79 & 11 \\80 - 99 & 8 \\\hline\end{array}$

• A)26.7
• B)699.0
• C)711.9
• D)26.4

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