Frequently asked questions

What is The Empirical Rule? What is The Purpose of Empirical Rule?

Empirical rule which is also known by three sigma or 68-95-99.7 rule, tells you where values lie in a predominant manner in normal distribution:

In encompassment of 68% of values lies within 1 standard deviation of the mean.
Around 95% of values lies within 2 standard deviation of the mean.
99.7% of values are within 3^rd standard deviation of the mean.

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