The Owner of a Local Nightclub Has Recently Surveyed a Random

question 241

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 decide?

• 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:

Hippocampus

The hippocampus is a brain structure involved in the formation of new memories and is also associated with learning and emotions.

Fornix

A C-shaped structure in the brain, part of the limbic system, that acts as a major output tract of the hippocampus.

Amygdala

A part of the brain involved in processing emotions, including fear and pleasure.

Substantia Nigra

(sub-STAN-sha NI-gra) The structure in the midbrain that controls unconscious motor movements.