Chapter 5 Understanding Fundamental Statistical Concepts

This chapter focuses more on statistical concepts than on using SAS. It discusses using PROC UNIVARIATE to test for normality. It also discusses hypothesis testing, which is the foundation of many statistical analyses. The major topics are the following:

  • understanding populations and samples
  • understanding the normal distribution
  • defining parametric and nonparametric statistical methods
  • testing for normality
  • building hypothesis tests
  • understanding statistical and practical significance

Testing for normality is appropriate for continuous variables. The other statistical concepts in this chapter are appropriate for all types of variables.

Populations and Samples

Definitions

Random Samples ...

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