Inference for Two-Way Table
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Last updated 5:19 AM on 5/5/24
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4 Terms
1
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Test for Homogeneity Hypothesis
H0: there is no difference in the true distribution fo a categorical variable in the population of interest
Ha: There is a difference in the distribution
2
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Expected Counts for a Chi-Square test based on data in a two-way Table
expected counts = row total x column total / table total
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Degrees of freedom
(number of rows - 1) x (number of columns - 1)
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Test for Independence Hypotheses
H0: there is no association between the two categorical variables in the population of interest
Ha: There is an association between the two variables
