The data given result from experiments run in completely randomized designs. Use the Kruskal–Wallis H statistic to determine whether there are significant differences between at least two of the treatment groups at the 5%

level of significance. You can use a computer program if one is available. Summarize your results. 

4. Treatment 1 2 3 26 27 25 29 31 24 23 30 27 24 28 22 28 29 24 26 32 20 30 21 33