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Mathematics 10 Online
OpenStudy (anonymous):

When a data set is normally distributed, about how much of the data fall within two standard deviations of the mean? a.95% b.13.5% c.34% d.68%

OpenStudy (amistre64):

there is an empirical rule: 68-95-99 for 1-2-3 sds from the mean

OpenStudy (anonymous):

what does that mean?

OpenStudy (amistre64):

it means exactly what the material says it means .... you may want to review your material about the empirical rule if that is not ringing any bells for you

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