12:3712:37, 19 December 2016diffhist−1
68–95–99.7 rule
The width of the band +/- one SD is 2SD, not 1SD as implied by the current text. The same error applies to the width of the +/- 2SD and +/- 3SD bands.
12:3712:37, 19 December 2016diffhist−1
68–95–99.7 rule
The width of the band +/- one SD is 2SD, not 1SD as implied by the current text. The same error applies to the width of the +/- 2SD and +/- 3SD bands.