Mann Whitney U Test Critical Value Table. Critical values for the mann whitney u test critical values for the mann whitney u test level of significance. 05 19 20 21 22 23 24 25 26 27 28 29 30 31 32 35 36 38 38 39 10 12 15 17 19 0.
This is a simple mann whitney u test calculator that provides a detailed breakdown of ranks calculations data and so on. See mann whitney test for details. The critical value can be found in the table of critical values based on sample sizes n 1.
Since our test statistic 13 is greater than our critical value 5 we fail to reject the null hypothesis.
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. The following tables provide the critical values of u for various values of alpha and the sizes of the two samples for the two tailed test. 10 11 12 13 16 17 18 18 19 20 21 22 23 25 26 28 29 30 31 32 33 314 35 36 36 37 11 10. 12 n n n n 1 2 u n n z 1 2 1 2 1 2 obt u.
