# Empirical Rule Exploration

- Author:
- Beverly Kerner, Joy

- Topic:
- Statistics

Answer the following questions:
1. What percent of the data is within one standard deviation of the mean? (hint: when a=-1 and b=1)
2. What percent of the data is within two standard deviations of the mean? (hint: when a=-2 and b=2)
3. What percent of the data is within three standard deviations of the mean? (hint: when a=-3 and b=3)

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