Approximate the Sample Standard Deviation Given the Following Frequency Distribution

question 57

Multiple Choice

Approximate the sample standard deviation given the following frequency distribution.

$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 10 \\20 - 39 & 18 \\40 - 59 & 10 \\60 - 79 & 8 \\80 - 99 & 13 \\\hline\end{array}$

• A) 798.2
• B) 28.3
• C) 28.5
• D) 811.9

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Opponents of the ratification of the U.S. Constitution, fearing it granted too much power to the federal government at the expense of states' rights.

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