Random Drug Testing

question 76

Multiple Choice

Random drug testing:

• A) has been ruled unconstitutional.
• B) has largely been stopped by employee groups.
• C) is required by law for professions where safety is critical.
• D) is required by federal law for all employers with more than 15 employees.

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Definitions:

Kruskal-Wallis Test

A nonparametric method for testing whether samples originate from the same distribution, used when the assumptions of the ANOVA are not met.

Critical Value

A point on the scale of a statistical distribution that is used to determine the boundary for rejecting the null hypothesis in hypothesis testing.

One-sample T-test

A statistical test used to compare the mean of a single sample to a known average or standard value.

Parametric Counterpart

Refers to statistical tests or models that assume a certain distribution shape for the underlying data, as opposed to non-parametric methods which do not.