A Nonparametric Method to Compare Two Populations, When the Samples

question 54

Multiple Choice

A nonparametric method to compare two populations, when the samples are independent and where the normality requirement necessary to perform the parametric test is not satisfied, is the:

• A) Wilcoxon rank sum test
• B) sign test
• C) Wilcoxon signed rank sum test
• D) equal-variance t-test of
• E) chi-square text

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Definitions:

Current Drinkers

Individuals who have consumed alcohol within a specified recent period and continue to do so.

Binge Drinking

Refers to the heavy consumption of alcohol in a short period of time, often leading to significant impairment.

Cognitive Deficits

A noticeable decline in cognitive abilities, including memory, decision-making, attention, and problem-solving skills.

Impaired Coordination

A reduction in the ability to perform movements with the normal level of precision and fluidity, possibly due to neurological or musculoskeletal issues.