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. 54.456, 53.94, 53.880, 52.20, 52.50, 54.330, 56.016, 53.4, 55.680, 54.72, 51.6, 52.44, 55.062, 51.6, 54.24, 53.166, 55.938, 54.048, 51.0, 52.8, 54.66, 55.8, 51.60, 55.68, 55.2, 53.712, 51.00, 55.740, 53.4, 54.0, 55.74, 56.874, 55.38, 54.0, 51.0, 53.46, 56.4, 52.356, 55.26, 52.668, 55.086, 56.4, 52.2, 56.4, 54.96, 54.0, 54.0, 55.8, 53.40, 52.86, 54.6, 54.30, 52.404, 55.914, 54.6, 52.644, 53.4, 56.688, 52.80, 52.2, 51.78, 53.04, 55.50, 55.8, 54.0, 54.240, 54.042, 53.58, 52.2, 53.178, 52.362, 55.470, 54.6, 55.854, 54.90, 51.348, 54.030, 56.34, 51.6, 56.064, 51.72, 55.2, 51.12, 53.04, 55.8, 55.386, 55.8, 52.344, 53.292, 54.6, 52.38, 51.846, 56.232, 51.18, 51.0, 54.408

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 96 Data element index 1 to 96 th  indexed value of () within the data table 1 to 96 Sum of all given numerical data 5176.878000000003 Sum of All Data Arithmetic mean (average) of sample or population 53.9258125 Arithmetic Mean  Sum of squares of all differences from the mean  251.152352625 Sample variance 2.643708975 Sample Variance Standard deviation within sample ± 1.625948638488 Sample Standard Deviation Population variance 2.616170339844 Population Variance Standard deviation within population ± 1.617457987041 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2023