A Sociologist Develops a Test to Measure Attitudes About Public

question 29

Multiple Choice

A sociologist develops a test to measure attitudes about public transportation.She wishes to compute a 95% confidence interval for the mean score on this test.It is believed that the standard deviation for these test scores will be 21.How many people should be given the test in order to achieve a margin of error of 10?

• A)19
• B)20
• C)16
• D)18
• E)17

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Definitions:

Tort Liability

Legal responsibility arising from a civil wrong that causes harm or loss to an individual or property, not based on contracts.

Illegal Agreements

Contracts or arrangements that are prohibited by law and thus are not enforceable by the judicial system.

Noncompetition Clause

A contract provision that prohibits a party from engaging in similar business or trade in competition against another party.

Liability Waiver

A legal document in which a person agrees to relinquish the right to sue or claim against another party in case of injury or damage.