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. 53.86, 52.567, 53.2, 52.6, 54.52, 54.751, 53.017, 52.3, 52.666, 52.24, 54.1, 53.410, 54.22, 53.8, 53.284, 52.18, 54.4, 53.98, 53.83, 53.2, 52.081, 54.4, 53.32, 54.337, 53.275, 54.664, 54.328, 54.727, 53.8, 53.5, 54.478, 53.77, 52.21, 53.89, 53.89, 53.11, 53.83, 53.968, 53.5, 54.58, 52.018, 52.549, 52.3, 54.31, 52.300, 54.262, 53.221, 54.46, 53.50, 54.1, 54.4, 54.769, 52.612, 53.506, 52.552, 54.169, 52.63, 53.8, 52.27, 53.23, 54.7, 52.00, 54.250, 53.8, 54.838, 54.70, 52.084

Statistics Computed From The Above Data Table Mathematical  Expression  Numerical  Evaluation  Data elements count 67 Data element index 1 to 67 th  indexed value of () within the data table 1 to 67 Sum of all given numerical data 3587.113000000001 Sum of All Data Arithmetic mean (average) of sample or population 53.539 Arithmetic Mean  Sum of squares of all differences from the mean  49.394772 Sample variance 0.748405636364 Sample Variance Standard deviation within sample ± 0.865104407782 Sample Standard Deviation Population variance 0.737235402985 Population Variance Standard deviation within population ± 0.858624133708 Population Standard Deviation

PHP Math Tool by Jay Tanner - 2024