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

question 80

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. $$\begin{array}{l}\text { HIGH SCHOOL RECORD }\\\begin{array} { c c c } \text { Good } & \text { Fair } & \text { Poor } \\\hline 3.21 & 2.87 & 2.01 \\3.65 & 3.05 & 2.31 \\1.00 & 2.00 & 2.98 \\3.12 & 0.00 & 0.50 \\2.75 & 1.98 & 2.36\end{array}\end{array}$$

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Definitions:

Equity Method

An accounting technique used for recording investments in associate companies where the investment is initially recognized at cost and adjusted thereafter for the post-acquisition change in the investor’s share of the investee’s net assets.

Journal Entries

The method by which all business transactions are recorded in a company's accounting system, using debits and credits.

Other Comprehensive Income

Portions of total comprehensive income of a company not realized in net income, including items like foreign currency translation adjustments or unrealized gains on securities.

International Financial Reporting Standards

A set of accounting standards developed by the International Accounting Standards Board (IASB) that aims to standardize accounting practices globally.