Standard Deviation and Variance Statistics Calculator

Simply enter the delimited numerical data string/table and click [COMPUTE]. The numerical data elements can be separated by commas, spaces or semicolons. The initial example data is randomly generated.  Replace with your own data table. 500.82, 502.31, 504.71, 503.07, 501.99, 505.49, 505.14, 504.91, 505.01, 504.98, 500.52, 503.35, 501.15, 504.71, 501.08, 501.12, 502.77, 504.82, 500.25, 505.6, 502.88, 501.26, 502.33, 501.25, 503.33, 504.49, 505.38, 504.41, 503.24, 505.66, 500.77, 505.68, 504.47, 500.02, 501.99, 504.19, 502.21, 505.22, 505.27 Statistics Computed From The Data Given Above Mathematical Expression  Numerical Evaluation  Data count 39 Data index 1 to 39 Sum of all given data 19627.85 Arithmetic mean of population or sample 503.27820512821  Sum of squares of all differences from mean  126.08177435898 Population variance 3.2328660092045 Population standard deviation ± 1.7980172438563 Sample variance 3.3179414304994 Sample standard deviation ± 1.8215217348413 Program by Jay Tanner - 2024 - v2.21