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. 

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5. Treatment 1 2 3 4 124 147 141 117 167 121 144 128 135 136 139 102 160 114 162 119 159 129 155 128 144 117 150 123 133 109