Mann Whitney U Test Graph. The p value has the same meaning for any sample size. 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. A scatter plot shows every point. In this video tutorial i will explain how to perform a mann whitney u test in graphpad prism.
So for example one might compare the speed at which two different groups of people can run 100 metres where one group has trained for six weeks and the other has not.
I will also show you how to interpret the results. Are you comparing exactly two groups. Minitab uses the mann whitney statistic to calculate the p value which is a probability that measures the evidence against the null hypothesis. The p value has the same meaning for any sample size.
