If you square these samples, you get four values of 25 and four that are still 0. So the average will be 100/8 or 12.5 and the square root of 12.5 is about 3.5.

How to Compute a Value in Excel With Square Root and Exponents. Microsoft Excel isn't just for making spreadsheets; it can also perform math calculations. Scientific and mathematical formulas ...

Divide the sum of squared variance values (from Step 4) by the number of data points in the data set less 1. Take the square root of the quotient (from Step 5). Key Properties of Standard Deviation ...

A new DNA computer calculates square roots of perfect squares up to 900. Like quantum computers, ... and a maximum value of 15 representing a range of 16 values beginning with 0.