When Using Ordinal Data, a Nonparametric Test Instead of a Parametric

question 43

Multiple Choice

When using ordinal data, a nonparametric test instead of a parametric statistic is employed because ordinal variables are:

• A) based on absolute values that are not normally distributed.
• B) not as scientific as scale data.
• C) based on rankings and will not be normally distributed.
• D) normally distributed.

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Definitions:

Defect Rate

The frequency at which defects, flaws, or errors occur in a product, process, or system, usually expressed as a ratio or percentage of the total output.

Standard Deviation

A metric that gauges the extent of spread or scatter around the mean within a group of numbers, illustrating the distance of the values from their central point.

Batches

Groups or sets of goods or materials that are processed or produced at the same time.

HIV Virus

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to Acquired Immunodeficiency Syndrome (AIDS) if not treated.