The Mann-Whitney U Statistic Is a Nonparametric Alternative to Which

question 2

Multiple Choice

The Mann-Whitney U statistic is a nonparametric alternative to which statistic below?

• A)Pearson's r
• B)Somers' d
• C)t-test
• D)Fisher's Exact Test

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Definitions:

68-95-99.7 Rule

A statistical rule stating that in a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, 95% within two, and 99.7% within three.

Variation

Changes or deviations from a standard, plan, or original estimate that require adjustments to a project or process.

Quality Assurance

A systematic approach to ensuring that a product or service meets specified requirements and is of a consistent, high quality.

Quality Plan

A document that specifies quality standards, practices, resources, specifications, and the sequence of activities relevant to a particular product, service, project, or contract.