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keisanHigh-precision calculations for everyday life and work

Cross-tabulation, Mean, Standard Deviation

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It calculates the cross-tabulation of the entered table by row and column, and also calculates the mean, standard deviation, and coefficient of variation.
(Click on each cell in the table below to enter data)
Data (
Table Input) 
No
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Standard Deviation
Mean, Standard Deviation (n-1: Unbiased Variance, n: Sample Variance), and Coefficient of Variation﷐0-1:\\
(1)\ \bar{x}=\frac{1}{n}\displaystyle \sum_{\small i=1}^{\small n}x_i\hspace{30px}\\
(2)\ \sigma_{n-1}=\sqrt{\frac{1}{n-1}\displaystyle \sum_{\small i=1}^{\small n}(x_i-\bar{x})^{\small 2}}\\
\hspace{35px}\sigma_{n}\ =\sqrt{\frac{1}{n}\displaystyle \sum_{\small i=1}^{\small n}(x_i-\bar{x})^{\smal

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