In Order to Perform the ________________ Test,all of the Observations

question 18

Multiple Choice

In order to perform the ________________ test,all of the observations in two samples are combined into a single set and all of the values in the single set are ranked from smallest to largest.

• A)Wilcoxon Rank Sum
• B)Kruskal-Wallis
• C)Wilcoxon signed rank
• D)Sign Test

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Definitions:

Ordinal Random Variable

A random variable that has outcomes which can be ordered or ranked but does not necessarily have a quantitative value.

Nominal Random Variable

A variable that represents data which can be classified into distinct categories with no logical order.

Nominal Data

Data classified into categories that cannot be ordered or ranked; purely qualitative.

Interval Data

A type of data measurement where the intervals between values are meaningful, allowing for arithmetic operations to be performed.