Dear all, I have two samples that I need to compare. Running Shapiro Wilk normality test does not allow me to reject the normality assumption neither for the first sample (p-value = 0.8938) not for the second one (p-value = 0.07905). So the t.test seems to be applicable. However, the p-value for the second sample seems to be quite close to 0.05 threshold, so wouldn't it be better to use a non-parametric test such as wilcox.test?
Best regards and thanks in advance, Alexander ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.