The Owner of a Local Nightclub Has Recently Surveyed a Random

question 11

Multiple Choice

The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is more than 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. Which of the following tests will you perform to help her make a decision?

• A) t test for the mean
• B) Z test for the proportion
• C) Pooled-variance t test
• D) Separate-variance t test

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Definitions:

Mesolithic Cultures

Societies that existed in the Middle Stone Age, characterized by the use of small stone tools and a hunter-gatherer lifestyle.

Americas

A geographic region that includes the continental masses of North and South America, including the Caribbean and other islands.

Wild Foods

Naturally occurring plants and animals that can be harvested or hunted for consumption without being cultivated.

Hunting

The activity of pursuing and killing wild animals for food, sport, or management of populations.