AIR MATH

Math Question

Find the variance of the given data rounded to the nearest hundredth.
\[
\begin{array}{l}
3,4,5,7,10,12,15 \\
\sigma^{2}=\frac{\sum(x-\text { mean })^{2}}{n} \\
\sigma^{2}=[?]
\end{array}
\]

Solution

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