AIR MATH

Math Question

Find the standard deviation of the given data rounded to the nearest hundredth.
\[
\begin{aligned}
\text { 147, } 141,120,124,128 \\
\sigma &=\sqrt{\frac{\sum(x-\text { mean })^{2}}{n}} \\
\sigma &=[?]
\end{aligned}
\]

Solution

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