Standard Deviations

Z-table for Standard Deviations (s)


+/- 1 * s covers 68.2 %

+/- 1.65 * s covers 90.0 %

+/- 1.96 * s covers 95.0 %

+/- 2 * s covers 95.4 %

+/- 3 * s covers 99.7 %
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