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

question 36

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:

Network of Contacts

A group of acquaintances, professionals, and colleagues that an individual can consult, cooperate with, or seek favors from in professional matters.

Formal Channels

Official, recognized pathways for communication or procedures within an organization, often documented and established by policy.

Telephone Interaction

The process of engaging in communication or exchange of information through the use of telephones.

Telephone Effectiveness

The measure of how well telephone communication achieves desired outcomes.