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Beginning R pp 217-228 | Cite as

Chi-Square Tests

  • Larry Pace

Abstract

You learned about the chi-square distribution when we discussed confidence intervals for the variance and standard deviation in Chapter 8. Another contribution of Karl Pearson, the chi-square distribution has proven to be quite versatile. We use chi-square tests for determining goodness of fit and for determining the association or lack thereof for cross-tabulated categorical variables.

Keywords

Contingency Table Standard Normal Distribution Blood Type Expected Frequency Migraine Sufferer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Larry Pace 2012

Authors and Affiliations

  • Larry Pace

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