Below Are Bacteria Count for Four Different Hand-Washing Methods; Alcohol

question 23

Essay

Below are bacteria count for four different hand-washing methods; alcohol spray,antibacterial soap,regular soap,and water alone.Conduct a Kruskal-Wallis test to determine if there are differences between the four methods in terms of their bacteria count.Use a 0.05 level of significance. $$\begin{array} { c c c c } \text { Alcnhal } & \text { AB Soap } & \text { Soap } & \text { Water } \\\hline 51 & 70 & 84 & 74 \\\hline 5 & 164 & 51 & 135 \\19 & 88 & 110 & 102 \\18 & 111 & 67 & 124 \\58 & 73 & 119 & 105\end{array}$$

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