The Owner of a Local Jazz Club Has Recently Surveyed

question 73

Multiple Choice

The owner of a local Jazz Club has recently surveyed a random sample of n = 200 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. The appropriate hypotheses to test are:

• A)H ₀: m = 30 vs. H ₁: m 30.
• B)H ₀: m = 30 vs. H ₁: m > 30.
• C)H ₀: = 30 vs. H ₁: 30.
• D)H ₀: = 30 vs. H ₁: > 30.

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Definitions:

Celebrity Endorser

A famous person who promotes or publicly supports a product, service, or brand.

Sleeper Effect

A phenomenon where a message that was initially discounted or ignored gains persuasiveness over time.

Message Source

The originator of a communication or information that is being conveyed to an audience.

Match-up Hypothesis

The theory suggesting that the effectiveness of an endorsement depends on the compatibility between the endorser and the product or brand being endorsed.