A Random Sample of 12 Men and 12 Women Were $z$

question 4

Multiple Choice

A random sample of 12 men and 12 women were asked to report the number of hours they watched television on a Wednesday evening. If a researcher wants to test the hypothesis that there is no difference in the amount of time spent watching television based on gender, what $z$ -values should be used for a two-tailed Wilcoxon rank sum test, at $\alpha = 0.05$ ?

• A) \(z = \pm 2.00\)
• B) \(z = \pm 1.67\)
• C) \(z = \pm 3.00\)
• D) \(z = \pm 1.96\)

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Definitions:

Monopoly

A market structure characterized by a single seller, selling a unique product in the market with no close substitutes.

Interlocking Directorates

The practice of having the same individuals serve on the boards of directors of multiple companies, potentially reducing competition.

Clayton Act

A United States antitrust law enacted in 1914, aimed at preventing anticompetitive practices in their incipiency.

Federal Trade Commission Act

The federal law of 1914 that established the Federal Trade Commission.