The Owner of a Local Nightclub Has Recently Surveyed a Random

question 26

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 over 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 mean
• B) Z test for proportion
• C) pooled-variance t test
• D) separate-variance t test

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Definitions:

Gerontologists

Specialists who study aging.

Morticians

Morticians are professionals who prepare bodies for burial or cremation and perform other services related to funerals and memorial services.

Child

A young human being, especially one from birth to puberty.

Grief

A profound emotional sorrow or distress caused by loss, particularly the loss of a loved one, often involving various stages of processing and coping.