2 Standard Deviation Range Calculator

Use our simple online 2 Standard Deviation Range calculator to find the two standard deviation range value of any series of numbers.

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How to use the 2 Standard Deviation Range Calculator


Step 1

Enter your set of numbers in the input field. Numbers must be separated by commas.


Step 2

Press Enter on the keyboard or on the arrow to the right of the input field.


Step 3

In the pop-up window, select “Find the 2 Standard Deviation Range”. You can also use the search.

What is 2 Standard Deviation Range

The expected value, the average value of a random variable is one of the numerical characteristics of the probability distribution of a random variable. The average characterizes the location of the values of a random variable. This role of average value is fully explained by the law of large numbers.