Unit IX Comparative Statistical Methods II: 2-Sample Tests 2-sample 2 -test (>2 categories) 2-sample z-test of proportions 1. Nominal Data Mann-Whitney U-test 2. Ordinal Data a) paired samples b) independent samples Student’s t-test of means 3. Interval/Ratio Data 9 2-Sample Tests Page 1
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Unit IX Comparative Statistical Methods II: 2-Sample Tests ... · Unit IX Comparative Statistical Methods II: 2-Sample Tests 2-sample 2-test (>2 categories) 2-sample z-test of proportions
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Unit IXComparative Statistical Methods II:
2-Sample Tests
2-sample 2-test (>2 categories)2-sample z-test of proportions