Use a Kruskal-Wallis Test to Test the Claim That the Samples

question 86

Essay

Use a Kruskal-Wallis test to test the claim that the samples come from populations with equal medians. Listed
below are grade averages for randomly selected students with three different categories of high-school
background. At the 0.05 level of significance, test the claim that the three groups have the same median grade
average. $$\begin{array}{l}\text { HIGH SCHOOL RECORD }\\\begin{array} { | l | } \hline \text { Good FairPoor } \\3.212 .872 .01 \\3.653 .052 .31 \\1.002 .002 .98 \\3.120 .000 .50 \\2.751 .982 .36 \\\hline\end{array}\end{array}$$

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Definitions:

Sellers

Individuals or entities that offer products or services for sale to buyers in a marketplace.

Tax

A compulsory financial charge or other levy imposed by a government on individuals or businesses to fund various public expenditures.

Binding Price Floor

A legal minimum price for a good or service that is set above the equilibrium price, resulting in surpluses.

Binding Price Ceiling

A government-imposed limit on how high a price can be charged for a product, set below the market equilibrium price, leading to shortages.