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Chapter 5 · Data Analysis: A Concise Overview of Statistical Techniques · Slide 175/274

Relationship between the Standard Deviation and the Shape of the Normal Distribution

Measures of Dispersion

5.1.3 · Summarizing Data NumericallyMeasures of Dispersion

Relationship between the Standard Deviation and the Shape of the Normal Distribution

Normal distribution with standard deviations
99.7% of the data lie within 3 standard deviations of the mean
95% within 2 standard deviations
68% within 1
Standard
Deviation
QUESTIONSTAR · Dr. Paul Marx175 / 274
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