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. 90.7, 90.005, 90.6, 90.7, 90.86, 90.98, 90.0, 90.7, 90.44, 90.798, 90.351, 90.70, 90.59, 90.077, 90.84, 90.998, 90.733, 90.1, 90.2, 90.853, 90.50, 90.799, 90.334, 90.973, 90.91, 90.04, 90.86, 90.238, 90.019, 90.257, 90.3, 90.8, 90.316, 90.971, 90.872, 90.383, 90.1, 90.84, 90.970, 90.6, 90.61, 90.903, 90.7, 90.6, 90.60, 90.94, 90.482, 90.6, 90.995, 90.45, 90.49, 90.2, 90.9, 90.8, 90.5, 90.7, 90.9, 90.765, 90.97, 90.3, 90.79, 90.68, 90.895, 90.7, 90.039, 90.54, 90.96, 90.339, 90.078, 90.3, 90.26, 90.5, 90.1

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 73 Data element index 1 to 73 th  indexed value of () within the data table 1 to 73 Sum of all given numerical data 6611.892999999999 Sum of All Data Arithmetic mean (average) of sample or population 90.573876712329 Arithmetic Mean  Sum of squares of all differences from the mean  6.731087890411 Sample variance 0.093487331811 Sample Variance Standard deviation within sample ± 0.305756981623 Sample Standard Deviation Population variance 0.09220668343 Population Variance Standard deviation within population ± 0.303655534167 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2022