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Standard Distribution Calculator

This calculator requires the use of Javascript enabled and capable browsers. This script generates a set of normally distributed values, along with the mean value and standards deviation properties, based on the values entered for foundational calculation. In probability and statistics, the standard deviation is the most common measure of statistical dispersion. As a simple definition, standard deviation measures how spread out the values in a data set are. If the data points are all similar, then the standard deviation will be low (closer to zero). If the data points are highly variable, then the standard variation is high (further from zero). The standard deviation is defined formally as the square root of the variance. This indicates it is the root mean square (RMS) deviation from the average. The Standard Deviation is always a positive number and is always measured in the same units as the original data. For example, if the data are distance measurements in meters, the standard deviation will also be measured in meters.

We have entered some standard default values, however, we suggest that you experiment with your own values. Enter the mean value, standard deviation and number of points to generate as YOUR guidelines; then click on Calculate.

Required Data Entry
Mean value
Standard Deviation
Number Of Points To Generate
Calculated Random Sample Values
Calculated Sample Properties
Mean Sample Value
Mean Sample Value Rounded
Standard Sample Deviation
Standard Sample Deviation Rounded
Updated 8.15.11

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