Mann Whitney U Test Critical Value Table. Critical values of the mann whitney u two tailed testing n1 n2 α 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 05 0 0 1 1 223344556 6 7 7 8. 5 p 0 05 size of the largest sample n2.
Use your value of to determine which table to use. 1 one sided directional test or 2 two sided non directional test. For example you want to nd critical value corresponding to 0 01.
Use your value of to determine which table to use.
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. This is a simple mann whitney u test calculator that provides a detailed breakdown of ranks calculations data and so on. 12 n n n n 1 2 u n n z 1 2 1 2 1 2 obt u. For one tail tests double the value of alpha and use the appropriate two tailed table.
