Difference between revisions of "Empirical Rule"
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== Empirical Rule (also known as the 68-95-99.7 Rule) == | == Empirical Rule (also known as the 68-95-99.7 Rule) == | ||
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In a Normal Distribution with mean μ and standard deviation σ: | In a Normal Distribution with mean μ and standard deviation σ: | ||
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*Approximately 99.7% of the observations fall within 3σ of the mean μ. | *Approximately 99.7% of the observations fall within 3σ of the mean μ. | ||
This result is known as the '''''empirical rule'''''. | This result is known as the '''''empirical rule'''''. | ||
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| + | ''contributed by Katie Ciskowski'' | ||
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| + | Reference: | ||
Daren, S. S., & Tabor, J. (2020). ''Updated version of the practice of Statistics (Teachers Edition)'' (Sixth Edition). W H Freeman & CO LTD. | Daren, S. S., & Tabor, J. (2020). ''Updated version of the practice of Statistics (Teachers Edition)'' (Sixth Edition). W H Freeman & CO LTD. | ||
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Latest revision as of 19:04, 29 April 2022
Empirical Rule (also known as the 68-95-99.7 Rule)
In a Normal Distribution with mean μ and standard deviation σ:
- Approximately 68% of the observations fall within σ of the mean μ.
- Approximately 95% of the observations fall within 2σ of the mean μ.
- Approximately 99.7% of the observations fall within 3σ of the mean μ.
This result is known as the empirical rule.
contributed by Katie Ciskowski
Reference:
Daren, S. S., & Tabor, J. (2020). Updated version of the practice of Statistics (Teachers Edition) (Sixth Edition). W H Freeman & CO LTD.
