Three Treatments Were Compared Using a Completely Randomized Design

question 174

Short Answer

Three treatments were compared using a completely randomized design. The data are shown in the table. Do the data provide sufficient evidence to indicate a difference in location for at least two of the population distributions? Test using the Kruskal-Wallis H statistic with = 0.05.
Test statistic:
H = ______________
What is the critical value for the test statistic?
Reject if the test statistic > ______________.
Conclude: ______________
There ______________ a difference in location among the three treatments.

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Definitions:

Letters

Characters or symbols used in written language to represent sounds or to form words.

Number

A mathematical object used to count, measure, and label.

Categorical Syllogism

A form of deductive reasoning consisting of three propositions that are categorical in nature, presenting a relationship between a subject and a predicate.

Minor Term

in syllogistic logic, the term that appears in both the conclusion and one premise of a syllogism, but not the major premise.