One property of normally distributed data is that 99.73 percent of all possible observations of process output are between within plus-or-minus standard deviations from the process mean.

Question

Quizplus · Accepted Answer

This statement is true for normally distributed data, and is known as the 3-sigma rule. It means that if we have a normal distribution, then 99.73% of the data will fall within 3 standard deviations of the mean.

One Property of Normally Distributed Data Is That 99