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. 26.80, 29.88, 26.4, 26.56, 26.40, 29.600, 29.92, 28.0, 28.16, 26.472, 29.76, 28.8, 28.28, 28.476, 27.04, 28.52, 28.4, 29.132, 29.12, 27.2, 27.72, 29.2, 28.088, 28.0, 29.40, 27.2, 26.76, 28.772, 29.44, 29.28, 26.0, 27.32, 29.032, 27.188, 26.72, 29.668, 29.468, 26.8, 29.96, 29.600, 28.4, 29.44, 29.40, 28.4, 29.6, 26.4

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 1300.176000000001 Sum of All Data Arithmetic mean (average) of sample or population 28.264695652174 Arithmetic Mean  Sum of squares of all differences from the mean  66.17159373913 Sample variance 1.47047986087 Sample Variance Standard deviation within sample ± 1.212633440438 Sample Standard Deviation Population variance 1.438512907372 Population Variance Standard deviation within population ± 1.199380218018 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2023