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

question 11

Essay

Below are bacteria count for three different hand-washing methods; alcohol spray,antibacterial soap,and regular soap.Conduct a Kruskal-Wallis test to determine if there are differences between the three methods in terms of their bacteria count.Use a 0.05 level of significance. $$\begin{array} { c c c } \hline \text { Alcuhal } & \text { AB Sarp } & \text { Sanp } \\\hline 51 & 70 & 84 \\\hline 5 & 164 & 51 \\19 & 88 & 110 \\18 & 111 & 67 \\58 & 73 & 119 \\5 0 & 119 & 1 0 8\end{array}$$

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Definitions:

Public Goods

Goods that are non-excludable and non-rivalrous, meaning individuals cannot be effectively excluded from use, and use by one person does not reduce availability to others.

Externalities

Economic side effects or consequences that affect uninvolved third parties; can be either positive or negative.

Social Costs

The total cost of an action or decision, including both private costs and any externalities borne by society at large.

Positive Externality

Positive Externality occurs when a transaction or activity benefits a third party not directly involved, like the societal benefit of education or vaccinations.