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SPSS Survival Manual 2nd Edition - Academia.dk
www.academia.dkComparing the correlation coefficients for two groups 130 Testing the statistical significance of the difference between ... 21 Analysis of covariance 263 Uses of ANCOVA 263 Assumptions of ANCOVA 265 One-way ANCOVA 267 Two-way ANCOVA 277 References 285 22 Non-parametric statistics 286 Summary of techniques covered in this chapter 286
SigmaPlot 14
systatsoftware.comof the two groups without assuming equal variances (Welch’s t-test) • The command Ctrl - A now selects all ... • Analysis of Covariance (ANCOVA) • Over 50 of the most frequently used statistical tests to analyze sci- entific data. Use data from up to 4000 worksheet columns