The Wilcoxon Rank Sum Test (Like Most of the Nonparametric

question 23

Multiple Choice

The Wilcoxon rank sum test (like most of the nonparametric tests presented in your book) actually tests to determine whether the population distributions have:

• A) identical locations
• B) identical spreads (variances)
• C) identical shapes
• D) all of these
• E) none of these

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Definitions:

Good Outcomes

Positive or desirable results or consequences of an action or situation.

Optimistic Explanatory Style

A tendency to explain positive events as having permanent causes, while attributing negative events to temporary causes.

Situational Factors

Environmental circumstances or conditions that can affect behavior and decision-making.

Setbacks

Obstacles or reversals in progress that delay or prevent the achievement of goals.