Standard Deviation and Variance Statistics Calculator 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.  Copy/Paste/Replace with your own data. 625.610, 626.755, 624.290, 627.665, 626.590, 624.745, 628.595, 624.095, 628.915, 624.200, 625.885, 626.150, 627.435, 625.990, 626.590, 624.005, 624.675, 628.420, 628.885, 628.470, 624.175, 624.600, 628.040, 624.295, 628.545, 625.825, 628.260, 624.020, 627.185, 624.135, 627.010, 625.480, 627.730, 627.070 Statistics Computed From The Above Data Table Mathematical Expression  Numerical Evaluation  Data count 34 Data index 1 to 34 Sum of all given data 21294.335 Arithmetic mean of population or sample 626.30397058824  Sum of squares of all differences from mean  93.965288970588 Population variance 2.7636849697232 Population standard deviation ± 1.6624334482087 Sample variance 2.8474329991087 Sample standard deviation ± 1.6874338502912

Download this PHP 7 Program: 30.3 kb - Standard Deviation Calculator