File:6 Sigma Normal distribution.svg

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Summary[edit]

Summary
Description	Comparison of standard normal distribution (with mean = 0 and standard deviation = 1, coloured green) and the distribution shifted by 1.5 sigma (with mean = -1.5 coloured blue, and mean = 1.5 coloured red) on the effect on the upper and lower specification limits (USL and LSL, respectively).
Source	Wikimedia Commons file page
Author	Cmglee
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Short title	Comparison of standard normal distribution and it shifted by 1.5 sigma
Image title	Comparison of standard normal distribution (with mean = 0 and standard deviation = 1, coloured green) and the distribution shifted by 1.5 sigma (with mean = −1.5 coloured blue, and mean = 1.5 coloured red) on the effect on the upper and lower specification limits (USL and LSL, respectively) by CMG Lee.
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