68 - 95 - 99.7 rule

Chinese equivalent: 68 - 95 - 99.7 法则

68 - 95 - 99.7 rule For a normal distribution, approximately 68%, 95%, and 99.7% of the data fall within 1, 2, and 3 standard deviations of the mean, respectiv…

Syllabus path: Probability and Statistics › Normal Distribution

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CSCA Mathematics Exam Glossary

Definition

68 - 95 - 99.7 rule For a normal distribution, approximately 68%, 95%, and 99.7% of the data fall within 1, 2, and 3 standard deviations of the mean, respectively.

Related tutorial and examples

Normal Distribution

Normal Distribution 1. Core Concepts and Graph Features The Normal Distribution (or Gaussian Distribution) is the most important continuous distribution. Its probability density curve is Bell - shaped. It is denoted as X ≈ N(μ, σ²). Mean ( μ ): Determines the central location of …

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