Exhibit 19-2 Students in Statistics Classes Were Asked Whether They Preferred a Preferred

question 13

Multiple Choice

Exhibit 19-2
Students in statistics classes were asked whether they preferred a 10-minute break or to get out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred to get out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences.
-Refer to Exhibit 19-2. To test the null hypothesis, the appropriate probability distribution to use is the

• A)normal
• B)chi-square
• C)t distribution
• D)binomial

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Definitions:

Eliminated

Removed or gotten rid of completely.

Group Boycotts

A collective refusal by a group of businesses or individuals to deal with a particular company or person in order to pressure them or to punish them.

Per Se Violations

Actions or behaviors that are automatically deemed illegal or against regulations without the need for further demonstration of harm or intent.

Sherman Act

A landmark federal statute in the antitrust law of the United States that prohibits monopolistic practices and promotes competition.