For data sets having a normal, bell-shaped distribution, the following properties apply:
" About 68% of all values fall within 1 standard deviation of the mean
" About 95% of all values fall within 2 standard deviation of the mean
" About 99.7% of all values fall within 3 standard deviation of the mean.
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© 2008 Six Sigma Terminology - This dictionary provides useful terms and definitions for Six Sigma understanding.
This dictionary provides useful terms and definitions for Six Sigma understanding.
