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. 30.5, 26.90, 28.5, 26.110, 28.460, 26.0, 28.60, 28.90, 30.5, 30.5, 27.0, 28.5, 26.5, 28.5, 28.5, 27.700, 30.0, 28.505, 26.365, 29.805, 30.5, 29.30, 28.5, 26.90, 26.10, 29.45, 30.95, 27.475, 29.930, 26.40, 27.800, 28.75, 27.5, 28.95, 29.395, 26.5, 28.150, 29.0, 26.10, 29.70, 29.0, 28.0, 26.705, 28.5, 26.25, 26.240

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 46 Data element index 1 to 46 th  indexed value of () within the data table 1 to 46 Sum of all given numerical data 1298.39 Sum of All Data Arithmetic mean (average) of sample or population 28.225869565217 Arithmetic Mean  Sum of squares of all differences from the mean  94.029365217391 Sample variance 2.089541449275 Sample Variance Standard deviation within sample ± 1.445524627696 Sample Standard Deviation Population variance 2.044116635161 Population Variance Standard deviation within population ± 1.429726069973 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024