4.4 contingency tables and association
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4 Terms
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marginal distribution
frequency or relative frequency distribution of either the row or
column variable in the contingency table.
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conditional distribution
lists the relative frequency of each category of the response variable, given a specific
value of the explanatory variable in the contingency table.
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Simpson’s Paradox
describes a situation in which an association between two variables inverts or goes away
when a third variable is introduced to the analysis
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Oo
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