Let \( r \) be the range and \( S^{2}=\frac{1}{n-1} \sum\left(x_{i}-\bar{x}_{i}\right)^{2} \).
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Let \( r \) be the range and \( S^{2}=\frac{1}{n-1} \sum\left(x_{i}-\bar{x}_{i}\right)^{2} \).https://bit.ly/YTAI_PWAP https://www.pw.live
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