Dr Martinez Conducted a Survey to Determine the Frequency of Sexual

question 1

Multiple Choice

Dr. Martinez conducted a survey to determine the frequency of sexual activity among the American middle class. He collected data from several individuals working at various multinational companies and concluded that an average middle-class American engages in sexual activity once in a week. In this scenario, Dr. Martinez's research sample is most likely a ________.

• A) biased sample
• B) representative sample
• C) multistage sample
• D) stratified sample

Apply the normal approximation for large sample sizes in non-parametric tests.

Identify the conditions under which the Kruskal-Wallis test is appropriate for comparing more than two independent samples.

Understand how to rank data and deal with ties in non-parametric tests.

Appreciate the importance of study design in selecting appropriate statistical tests.

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Definitions:

New Jersey Plan

A proposal at the Constitutional Convention of 1787 advocating for equal representation of each state in Congress, regardless of the state's population size.

Less Populous

Refers to areas, regions, or groups having a smaller population in comparison to others.

Slaveholding

The practice or condition of owning slaves, historically seen in contexts where slavery was legally recognized.

Free States

Historically, states in the United States that were anti-slavery and did not permit slavery within their boundaries before the Civil War.