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Chapter 4: Descriptive Statistics and the Normal Distribution

Chapter 4: Descriptive Statistics and the Normal Distribution

pp. 47-69

Authors

Dudley L. Poston, Jr, Texas A&M University, Eugenia Conde, University of North Carolina, Chapel Hill, Layton M. Field, Mount St. Mary’s University
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Extract

This chapter covers the two topics of descriptive statistics and the normal distribution. We first discuss the role of descriptive statistics and the measures of central tendency, variance, and standard deviation. We also provide examples of the kinds of graphs often used in descriptive statistics. We next discuss the normal distribution, its properties and its role in descriptive and inferential statistical analysis.

Keywords

  • descriptive statistics
  • normal distribution
  • measures of central tendency
  • variance
  • standard deviation

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