When Employing a Small Sample Mann-Whitney U Test for a Two-Tailed

question 61

Multiple Choice

When employing a small sample Mann-Whitney U test for a two-tailed test, which of the following is true?

• A) The sample sizes need to be equal.
• B) Select as the test statistic the smaller of the two U values.
• C) Select either of the U values to be the test statistic.
• D) The alpha level should be doubled.

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Definitions:

Gaseous Ion

An ion existing in a gaseous phase, typically produced under high energy conditions or ionization processes.

Mass Spectrometer

An instrument that measures the mass-to-charge ratio of ions to identify and quantify substances through their mass spectra.

Forensics Laboratory

A scientific facility specifically designed for conducting forensic analyses related to criminal and civil investigations, including DNA testing, toxicology, and evidence examination.

Mass Spectrometer

A device that measures the masses within a sample by ionizing chemical compounds to generate charged particles and then analyzing them.