Standard Deviation and Variance Statistics Calculator v2.1 - Jay Tanner - 2025

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. 953.66, 974.13, 677.63, 566.96, 523.28, 958.77, 504.7, 569.54, 793.23, 620.31, 857.22, 557.49 Statistics Computed From The Data Given Above Mathematical Expression  Numerical Evaluation  Data count 12 Data index 1 to 12 Sum of all given data 8556.92 Arithmetic mean of population or sample 713.07666666667  Sum of squares of all differences from mean  369062.05086667 Population variance 30755.170905556 Population standard deviation ± 175.37152250453 Sample variance 33551.095533333 Sample standard deviation ± 183.16958135382