The First Step in a Wilcoxon Rank-Sum Test Is to Order

question 66

Multiple Choice

The first step in a Wilcoxon rank-sum test is to order the data and assign a rank of 1 to the:

• A) largest observation.
• B) smallest observation.
• C) observation that occurs most frequently.
• D) observation that occurs least frequently.

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Definitions:

Virions

The complete, infective form of a virus outside a host cell, consisting of RNA or DNA within a protective protein coat.

Adapt

The process by which organisms become better suited to their environment through changes in traits that improve survival and reproduction.

Mutations

Changes in the DNA sequence of a cell's genome, often resulting in genetic variation and potentially leading to evolutionary changes.

Descent With Modification

Descent with modification refers to the passing of traits from parents to offspring. Darwin recognized that, over time, this process could account for gradual change in species’ traits and homology.