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. 41.21, 43.895, 43.58, 43.82, 41.849, 41.57, 42.05, 41.3, 43.97, 41.84, 42.95, 43.04, 42.8, 41.987, 42.50, 42.20, 42.80, 41.0, 43.532, 42.53, 41.75, 43.46, 42.5, 41.45, 43.4, 43.337, 43.64, 42.8, 43.475, 42.245, 42.71, 43.49, 42.563, 41.33, 43.58, 43.01, 43.76, 41.834, 41.3, 41.0, 41.0, 42.200, 42.8, 42.944, 43.46, 43.94, 43.97, 43.1, 43.07, 43.79, 42.14, 41.423, 41.3, 41.0, 41.018, 42.89, 43.61, 43.7, 41.24, 42.686, 41.210, 41.651, 43.91, 41.3, 41.03, 41.0, 42.479, 42.728, 42.86, 41.60, 43.385, 43.67, 41.309, 43.13, 43.7, 43.79, 41.9, 41.21, 42.26, 41.3, 42.272, 42.641, 41.33, 43.76, 42.824, 42.5, 41.87, 42.2, 42.50, 41.6, 41.057, 43.1, 43.1, 41.3

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 94 Data element index 1 to 94 th  indexed value of () within the data table 1 to 94 Sum of all given numerical data 3991.814000000001 Sum of All Data Arithmetic mean (average) of sample or population 42.466106382979 Arithmetic Mean  Sum of squares of all differences from the mean  84.56518493617 Sample variance 0.90930306383 Sample Variance Standard deviation within sample ± 0.953573837639 Sample Standard Deviation Population variance 0.899629626981 Population Variance Standard deviation within population ± 0.948488074243 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024