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. 13.843, 13.8, 13.764, 13.7, 13.49, 13.17, 13.368, 13.744, 13.7, 13.709, 13.8, 13.55, 13.603, 13.01, 13.8, 13.94, 13.043, 13.68, 13.018, 13.19, 13.46, 13.124, 13.1, 13.75, 13.8, 13.1, 13.94, 13.15, 13.17, 13.13, 13.36, 13.54, 13.812, 13.85, 13.222, 13.32, 13.3, 13.39, 13.78, 13.7, 13.9, 13.013

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 42 Data element index 1 to 42 th  indexed value of () within the data table 1 to 42 Sum of all given numerical data 566.833 Sum of All Data Arithmetic mean (average) of sample or population 13.496023809524 Arithmetic Mean  Sum of squares of all differences from the mean  3.87857697619 Sample variance 0.094599438444 Sample Variance Standard deviation within sample ± 0.307570217095 Sample Standard Deviation Population variance 0.092347070862 Population Variance Standard deviation within population ± 0.303886608559 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024