A plot of normal distribution (or bell-shaped curve) where each band has a width of 1 standard deviation–See also: 68–95–99.7 rule.
(echo:: @ ᯤ)
A plot of normal distribution (or bell-shaped curve) where each band has a width of 1 standard deviation–See also: 68–95–99.7 rule.
(echo:: @ ᯤ)