The Kruskal-Wallis Test Statistic Can Be Approximated by a Chi-Squared

question 95

Multiple Choice

The Kruskal-Wallis test statistic can be approximated by a chi-squared distribution with k− 1 degrees of freedom (where k is the number of populations) whenever the sample sizes are all greater than or equal to:

• A)5
• B)10
• C)30
• D)None of these choices.

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Definitions:

Feelings

Emotional experiences that are part of an individual's personal reactions to situations, events, or interactions.

Cognitive Dissonance

A psychological phenomenon where an individual experiences mental discomfort due to holding conflicting beliefs, attitudes, or values simultaneously.

Dissonant Behavior

is action that is inconsistent with one's beliefs, values, or perceived self-image, often leading to cognitive dissonance.

Voluntarily

Acting on one's own initiative or will without coercion or external pressure, often in the context of participating in activities or making decisions.