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Unformatted text preview: 2 The Logic Underlying F s Interpretation of s A tabular form of a distribution s degrees of freedom ( d.f. ) s In twogroup designs s and t are related ( = 2 ) The Problem of Comparing Individual Means s F ratio only reflected significant variation among groups. s It said nothing about exactly whether each mean is different from each other. s To solve this, statistical procedure are used for making these comparisons s Planned comparisons s Followup or post hoc tests s Tukey HSD, Scheffe, Duncan OneWay ANOVA in SPSS s Analyze → Compare Means → OneWay ANOVA s Options s Post Hoc s Contrasts...
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This document was uploaded on 10/27/2011 for the course RHIM 5333 at Texas Tech.
 Fall '08
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