nonparametric tests

Good afternoon. I have two dependent variables and I want to demonstrate that one is higher than the other. My number of observations (N) is equal to 9 (it is a small sample). Since my distribution is not normal, I am using the Wilcoxon signed-rank test. I would also like to calculate the...

I'm sorry but I really need help on how to perform an analysis on these data. This dataset, in which is studied the number of calories emitted during exercise on 24 observations (subjects), consists of three variables, all quantitative: ho (heat output) is the dependent variable and is the...

Hi, I did experiment to compare the effect

Hello all, I've been asked to assist with the statistical analysis of some survey data, and I'm a bit of a novice with this type of analysis, so I'm hoping that some with more experience can give me a bit of guidance. The investigators are interested in assessing the effectiveness of 6...

I'm pretty confused about the conditions in which I should use a parametric or a nonparametric test to compare the means of 2 (or more) populations and would be very grateful if someone would explain it to me. I know that if the distribution of the sample is not normal, non-parametric...