Variance and Standard Deviation Statistics Calculator PHP Program by Jay Tanner

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. 62.460, 59.4, 59.284, 61.8, 62.56, 60.36, 62.76, 59.72, 59.68, 62.560, 59.084, 62.72, 62.6, 59.424, 60.368, 60.2, 61.336, 62.780, 62.020, 60.896, 61.8, 60.952, 60.2, 62.692, 60.852, 62.088, 61.020, 59.8, 62.92, 60.2, 60.652, 61.24, 61.52, 60.2, 59.292, 60.816, 59.76, 59.52, 62.20, 59.4, 62.6, 61.140, 59.60, 61.64, 61.636, 60.2, 62.84

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 47 Data element index 1 to 47 th  indexed value of () within the data table 1 to 47 Sum of all given numerical data 2868.791999999999 Sum of All Data Arithmetic mean (average) of sample or population 61.038127659574 Arithmetic Mean  Sum of squares of all differences from the mean  69.273435234043 Sample variance 1.505944244218 Sample Variance Standard deviation within sample ± 1.227169199507 Sample Standard Deviation Population variance 1.47390287732 Population Variance Standard deviation within population ± 1.214044017868 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2025