Standard Deviation and Variance Statistics Calculator
Jay Tanner - 2020

Simply enter the delimited numerical data string/table 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.







Statistics Computed From The Above Data Table
Mathematical Expression Numerical Evaluation 

Data count
32

Data index
1 to 32

Sum of all given data
6608.945

Arithmetic mean of population or sample
206.52953125

 Sum of squares of all differences from mean 
24.42274396875

Population variance
0.76321074902344

Population standard deviation
± 0.87361933874167

Sample variance
0.78783045060484

Sample standard deviation
± 0.88759813576012
 
Download this PHP 7 Program: 30.3 kb - Standard Deviation Calculator