Standard Deviation and Variance Statistics Calculator
Jay Tanner - 2021

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
46

Data index
1 to 46

Sum of all given data
7113.95252

Arithmetic mean of population or sample
154.65114173913

 Sum of squares of all differences from mean 
59.239122744661

Population variance
1.2878070161883

Population standard deviation
± 1.1348158512236

Sample variance
1.3164249498814

Sample standard deviation
± 1.1473556335685
 
Download this PHP 7 Program: 30.3 kb - Standard Deviation Calculator