Mann Whitney U Test Graph. The mann whitney test works by ranking all the values from low to high and comparing the mean rank in the two groups. The mann whitney u test is a statistical test used to determine if 2 groups are significantly different from each other on your variable of interest.
Because the interpretation of the mann whitney statistic depends on the sample size use the p value to make a decision about the test. To perform a mann whitney u test in graphpad prism you will need to enter two groups of data into separate columns. On the display tab of the mann whitney test dialog box select the graphs to include in your output.
On the display tab of the mann whitney test dialog box select the graphs to include in your output.
The mann whitney test works by ranking all the values from low to high and comparing the mean rank in the two groups. Setting up the graphpad sheet. If you only want to give the medians then a graph is not a good idea since its data density is so low. If the data are paired or matched then you should choose a wilcoxon matched pairs test instead.