Analgesic Study with Three Treatments Crossed with Gender Analysis
Explore an analgesic study with three treatments crossed with gender, revealing data on pain levels, factor analysis, ANOVA results, range test on drug levels, interaction plots, residual by predicted analysis, normality assessment, and goodness of fit test for normality. Discover key insights and statistical findings from the study.
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Presentation Transcript
Analgesic study with three treatments crossed with gender. 1
Data on pain and factor levels male female male female male female female female female female male female female male male C A C A C A A A A A B C A C A 12.4 7.69 14.0 9.69 11.6 8.89 6.94 2.13 7.26 5.87 12.9 12.2 7.20 13.9 8.18 male female male female male female male female female female female male female male male male female male B C C B A A B A A A C B B B A A A A 16.6 9.41 11.2 8.35 7.24 6.81 9.81 6.67 6.98 7.07 2.40 7.84 3.84 9.42 7.00 7.00 5.00 8.00 2
ANOVA table Source DF Sum of Squares F Ratio Prob > F gender drug 2 drug*gender 2 1 2 73.808295 51.059196 30.542763 12.6378 0.0014* 4.3713 0.0227* 2.6148 0.0916 3
Range Test on Drug Level Mean C B A Least Sq A 10.316622 A B 8.710767 B 7.134856 Levels not connected by same letter are significantly different. 4
Goodness of Fit for Normality Goodness-of-Fit Test Shapiro-Wilk W Test W 0.970483 Prob<W 0.4936 Note: Ho = The data is from the Normal distribution. Small p-values reject Ho. 8
