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12 cards from this deck
Large groups: physical characteristics (height, weight)
Bell-shaped and symmetrical
Curve of normal distribution
σ\sigmaσ
Spread of data from the mean
68%
95%
99.7%
[xˉ−σ,xˉ+σ][\bar{x} - \sigma, \bar{x} + \sigma][xˉ−σ,xˉ+σ]
[xˉ−2σ,xˉ+2σ][\bar{x} - 2\sigma, \bar{x} + 2\sigma][xˉ−2σ,xˉ+2σ]
[xˉ−3σ,xˉ+3σ][\bar{x} - 3\sigma, \bar{x} + 3\sigma][xˉ−3σ,xˉ+3σ]
68-95-99.7
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