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. 57.08, 56.48, 56.0, 55.928, 57.364, 54.056, 57.12, 56.20, 54.8, 54.076, 57.608, 54.000, 57.44, 57.576, 56.48, 56.24, 54.736, 57.28, 56.0, 54.0, 55.2, 54.36, 55.80, 54.8, 55.860, 55.6, 54.8, 55.712, 56.864, 54.496, 56.060, 54.212, 57.16, 55.416, 57.052, 57.6, 55.476, 57.6, 57.612

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 39 Data element index 1 to 39 th  indexed value of () within the data table 1 to 39 Sum of all given numerical data 2182.144 Arithmetic mean (average) of sample or population 55.95241025641  Sum of squares of all differences from the mean  55.564281435897 Sample variance 1.4622179325236 Standard deviation within sample ± 1.2092220360726 Population variance 1.424725165023 Standard deviation within population ± 1.1936185173761

PHP Math Tool by Jay Tanner - 2026

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