Mann Whitney U Test Graph. Learn more about interpreting the results of a mann whitney test. The mann whitney u test is a nonparametric test that allows two groups or conditions or treatments to be compared without making the assumption that values are normally distributed.
Minitab uses the mann whitney statistic to calculate the p value which is a probability that measures the evidence against the null hypothesis. Individual value plot use an individual value plot to examine the spread of the data and to identify any potential outliers. Before accepting the results review the analysis checklist.
Polish the graph graphing notes.
The mann whitney test works by ranking all the values from low to high and comparing the mean rank in the two groups. If the data are paired or matched then you should choose a wilcoxon matched pairs test instead. Individual value plot use an individual value plot to examine the spread of the data and to identify any potential outliers. The mann whitney u test is a nonparametric test that allows two groups or conditions or treatments to be compared without making the assumption that values are normally distributed.
