PMP: Sigma Level – THICHBLOG.NET

PMP: Sigma Level

Sigma Level a.k.a. Standard Deviation

On a standard bell curve, +/- one standard deviation is referred to as one sigma.

1 sigma ~ 68.26% of data points will fall in this range

2 sigma ~ 95.46% of data points will fall in this range

3 sigma ~ 99.73% of data points will fall in this range

6 sigma ~ 99.9999998% of data points will fall in this range

Ho Nguyen

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