68 - 95 - 99.7 rule
Chinese equivalent: 68 - 95 - 99.7法则
68 - 95 - 99.7 rule In a normal distribution, about 68%, 95%, and 99.7% of data fall within 1, 2, and 3 standard deviations of the mean, respectively.
Syllabus path: Probability and Statistics › Normal Distribution
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CSCA Mathematics Exam Glossary
Definition
68 - 95 - 99.7 rule In a normal distribution, about 68%, 95%, and 99.7% of 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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