Variance and Standard Deviation Statistics Calculator

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. 97.48, 98.820, 97.156, 100.140, 98.6, 100.6, 99.684, 99.12, 99.0, 100.2, 99.464, 100.52, 98.32, 98.868, 99.96, 100.12, 97.300, 97.384, 100.084, 100.6, 99.124, 98.296, 98.6, 100.504, 97.000, 98.2, 100.188, 98.6, 99.668, 99.400, 97.8, 97.40, 98.04, 97.144

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 3363.384 Sum of All Data Arithmetic mean (average) of sample or population 98.923058823529 Arithmetic Mean  Sum of squares of all differences from the mean  44.018657882353 Sample variance 1.333898723708 Sample Variance Standard deviation within sample ± 1.154945333645 Sample Standard Deviation Population variance 1.294666408304 Population Variance Standard deviation within population ± 1.137834086457 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2022