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. 40.744, 41.424, 40.48, 42.04, 42.172, 43.56, 40.048, 43.2, 42.8, 41.6, 41.88, 42.4, 43.844, 43.6, 40.16, 40.48, 40.52, 41.296, 40.0, 41.6, 43.116, 42.288, 42.632, 43.24, 41.40, 43.6, 42.8, 41.20, 43.088, 43.152, 43.708, 40.68, 42.124, 43.564

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 34 Data element index 1 to 34 th  indexed value of () within the data table 1 to 34 Sum of all given numerical data 1430.44 Sum of All Data Arithmetic mean (average) of sample or population 42.071764705882 Arithmetic Mean  Sum of squares of all differences from the mean  48.333854117647 Sample variance 1.464662245989 Sample Variance Standard deviation within sample ± 1.210232310752 Sample Standard Deviation Population variance 1.421583944637 Population Variance Standard deviation within population ± 1.192301951955 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024