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. 546.8, 528.4, 571.3, 622.3, 997.8, 929.8, 974.9, 935.5, 953.2, 745.2, 506.6, 526.7, 531.3, 997.7, 571.8, 724.7, 771.8, 664, 759.2, 716.3, 966.8, 778.5, 569.3, 659.2, 632.4, 994.9, 683.7, 790.9, 829, 558.5, 767.1, 548.6, 698.4 Statistics Computed From The Data Given Above Mathematical Expression  Numerical Evaluation  Data count 33 Data index 1 to 33 Sum of all given data 24052.6 Arithmetic mean of population or sample 728.86666666667  Sum of squares of all differences from mean  858730.21333333 Population variance 26022.127676768 Population standard deviation ± 161.3137553861 Sample variance 26835.319166667 Sample standard deviation ± 163.81489299409