Use the Following Information for Following Questions

question 6

Multiple Choice

Use the following information for following questions:. A researcher wonders whether speed of
service at a diner is affected by whether a male customer is wearing a suit jacket. The researcher used the
following study design to collect data: The researcher chose five diners in a large city and recorded the
number of male customers who wore a suit jacket during a two week period. He also records how long it
took a waiter or waitress to address the customer. He finds that male customers who wear suit jackets
were addressed by the wait staff faster than male customers who did not wear a suit jacket.
-Choose the statement that correctly explains why we can or cannot generalize these results to a larger population.

• A)This was an observational study so results can be generalized to a larger population.
• B)The male customers (and diners) were not selected from a larger population, so the results cannot be generalized beyond the sample.
• C)The male customers were randomly selected to participate in the study so the results can be generalized to the larger population.
• D)The male customers were randomly assigned to wear a suit jacket so the results cannot be generalized to beyond the sample.

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Definitions:

Reminder Advertising

A type of advertising aimed at keeping a brand or product in the mind of consumers, emphasizing brand recall.

Product Life Cycle

The series of stages a product goes through from introduction to the market to its decline and eventual withdrawal.

Maturity Stage

A phase in the product life cycle characterized by a slowdown in sales growth as the product reaches widespread acceptance and market saturation.