Variance and Standard Deviation Statistics Calculator

Simply enter the delimited numerical data table/string 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 table. 42.390, 41.2, 42.2, 41.022, 42.0, 41.134, 42.42, 41.28, 42.928, 41.6, 42.074, 41.854, 41.6, 41.786, 41.4, 42.28, 42.380, 42.14, 42.46, 41.6, 42.662, 42.78, 41.2, 42.530, 42.18, 41.4, 42.60, 42.436, 42.192, 42.4, 42.58, 41.4, 41.6, 41.952, 41.50, 42.18, 42.0, 42.20, 41.4, 42.528, 41.6, 41.4, 42.8, 41.0, 42.8

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 45 Data element index 1 to 45 th  indexed value of () within the data table 1 to 45 Sum of all given numerical data 1889.068 Arithmetic mean (average) of sample or population 41.979288888889  Sum of squares of all differences from the mean  13.168601244444 Sample variance 0.29928639191919 Standard deviation within sample ± 0.54707073758262 Population variance 0.29263558320988 Standard deviation within population ± 0.54095802351927

PHP Math Tool by Jay Tanner - 2025

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