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The Mann-Whitney and the Kolmogorov-Smirnov tests are nonparametric tests that compares the distributions of two unmatched groups.

https://www.graphpad.com/guides/prism/latest/statistics/

If you choose the nonparametric Mann-Whitney test, you'll probably want to plot the median instead (a choice in the Format Graph dialog). Prism lets you turn ...

https://www.graphpad.com/guides/prism/latest/statistics/

More t test options, including normality testing as well as nested and multiple t tests; Non-parametric test alternatives such as Wilcoxon, Mann-Whitney, and ...

https://www.graphpad.com/quickcalcs/ttest1/

The Mann-Whitney test compares the mean ranks -- it does not compare medians and does not compare distributions.

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One sample t test and Wilcoxon signed rank test; t tests, Mann-Whitney and Wilcoxon matched pairs test; Nested t tests and ANOVA; Multiple comparisons after ...

https://www.graphpad.com/guides/prism/latest/statistics/

The results of the Mann-Whitney test will not always match the results reported by older (5 and earlier) versions of Prism for two reasons.

https://www.graphpad.com/guides/prism/latest/statistics/

The unequal variance t-test is an underused alternative to Student's t test and the Mann-Whitney U test. Behavioral Ecology (2006) vol. 17 (4) pp. 688 ...

GraphPad FAQs

Mann-Whitney exact P values are a tiny bit wrong. This bug occurs only for samples without ties, and when Prism computes an exact P value.

GraphPad FAQs

4.At the bottom of the first tab, choose either the Mann-Whitney (MW) or the Kolmogorov-Smirnov (KS) test. Here are some guidelines. 3. Choose options. These ...

https://www.graphpad.com/guides/prism/latest/statistics/

Unpaired, nonparametric test. Selecting this combination of options results in having to choose between one of two tests: oMann-Whitney test. The ...

https://www.graphpad.com/guides/prism/latest/statistics/