Which Is a Characteristic of the Kruskal-Wallis Test

question 48

Multiple Choice

Which is a characteristic of the Kruskal-Wallis test?

• A)It is rarely used because it assumes normality.
• B)It assumes equal population means.
• C)It is useful in comparing the medians in c groups.
• D)It requires at least 5 groups of identical size.

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Definitions:

P-value

A statistical measure that helps to determine the significance of results obtained in a hypothesis test.

Surgical Site Infections

Infections that occur after surgery in the part of the body where the surgery took place, potentially causing complications.

Standard Error

A statistical measure that quantifies the variation or dispersion of sample means around the population mean.

National Average

This term typically refers to the average value or measurement found by aggregating specific data across an entire nation, often used in contexts such as test scores or income levels.