11.11: Chapter Key Terms — Read

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Key Term	Definition
Contingency Table	a table that displays sample values for two different factors that may be dependent or contingent on one another; it facilitates determining conditional probabilities.
Goodness-of-Fit	a hypothesis test that compares expected and observed values in order to look for significant differences within one non-parametric variable. The degrees of freedom used equals the (number of categories – 1).
Test for Homogeneity	a test used to draw a conclusion about whether two populations have the same distribution. The degrees of freedom used equals the (number of columns – 1).
Test of Independence	a test used to draw a conclusion about whether two populations have the same distribution. The degrees of freedom used equals the (number of columns – 1).

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