Any normal distribution is bell-shaped.
Approximately 99.7% of data observed following a normal distribution lies within 3 standard deviations of the mean.
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Approximately 99.7% of data observed following a normal distribution lies within
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standard deviations of the mean.
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Any normal distribution is bell-shaped.
Approximately 99.7% of data observed following a normal distribution lies within 3 standard deviations of the mean.