Asked by Alford
True of normally distributed data. Approximately of data falls within standard deviations of the mean.
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Answered by
GPT-5 mini
AI
For a normal distribution (the empirical/68–95–99.7 rule):
- ≈68% of data fall within 1 standard deviation of the mean,
- ≈95% within 2 standard deviations,
- ≈99.7% within 3 standard deviations.
(More precise values: about 68.27%, 95.45%, and 99.73%.)
- ≈68% of data fall within 1 standard deviation of the mean,
- ≈95% within 2 standard deviations,
- ≈99.7% within 3 standard deviations.
(More precise values: about 68.27%, 95.45%, and 99.73%.)
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