Chapter 9. Basic Statistical Analysis

  • 9.1 Distribution Analysis 284

  • 9.2 Summary Statistics 286

  • 9.3 Table Analysis 288

  • 9.4 Correlations 290

  • 9.5 Linear Regression 292

  • 9.6 Analysis of Variance 294

9.1 Distribution Analysis

When you are doing statistical analysis, generally your goal is to examine the relationship between two or more variables. You may want to know how length of day affects the growth of plants, or how an advertising campaign influences sales. But before you start testing hypotheses, it's a good idea to pause and do a little exploration. The Distribution Analysis task is a good place to start. Distribution Analysis produces statistics describing the distribution of a single variable.

This example explores the distribution of the variable ...

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