A Wilcoxon Rank Sum Test for Comparing Two Populations Involves

question 85

Multiple Choice

A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20.The un-standardized test statistic (that is the rank sum) is T = 225.The value of the standardized test statistic z is:

• A)6)0
• B)15
• C)6)43
• D)-1.5

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Definitions:

Language Abilities

Skills related to the comprehension, use, and production of spoken, written, and nonverbal communication.

Memorized

The process of committing information or data to memory for later recall.

Deep Structure

In linguistics, the underlying syntactic structure or meaning of a sentence, as opposed to the surface structure which is how it is expressed.

Surface Structures

The outward appearance or organization of something, especially in linguistics where it refers to the specific syntax or wording of a sentence.