Which of the Following Dispersions of Scores for Three Groups

question 32

Multiple Choice

Which of the following dispersions of scores for three groups (A,B,and C) best illustrate the null hypothesis for a Kruskal-Wallis H test?

• A) The number of scores above and below the median are equal.
• B) The mean differences between two groups are equal.
• C) The sum of ranks in each group does not differ between groups.
• D) The ranks in two groups are equal to 0.

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Definitions:

Truth Values

The values that denote the truthfulness of a statement, typically categorized as true or false.

Conjunction

A logical operator that links propositions together in such a way that the resulting statement is true only when both propositions are true.

Disjunction

A logical operation that results in true if at least one of its components is true.

Conditional

A compound proposition containing two component propositions (the antecedent and the consequent) and asserting that the truth of one component would be sufficient for the truth of the other.