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. 41.867, 41.819, 42.2, 42.47, 41.03, 41.270, 43.25, 42.35, 43.7, 43.25, 43.343, 43.7, 43.85, 41.9, 43.7, 42.185, 41.783, 41.48, 41.33, 41.468, 41.903, 41.3, 41.3, 42.5, 42.50, 41.9, 41.345, 42.65, 43.1, 43.22, 43.1, 41.0

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 32 Data element index 1 to 32 th  indexed value of () within the data table 1 to 32 Sum of all given numerical data 1353.763 Sum of All Data Arithmetic mean (average) of sample or population 42.30509375 Arithmetic Mean  Sum of squares of all differences from the mean  24.30314071875 Sample variance 0.78397228125 Sample Variance Standard deviation within sample ± 0.88542209214 Sample Standard Deviation Population variance 0.759473147461 Population Variance Standard deviation within population ± 0.871477565667 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024