The Manager at the Local Ruby Tuesday's Restaurant Wanted to Investigate

question 33

Multiple Choice

The manager at the local Ruby Tuesday's restaurant wanted to investigate the effect of music on the average revenue per customer. Each night for one month, fast- paced music was played. The following month, slow- paced music was played every night. The average revenue per customer for each month was compared. This method of gathering data is known as _______.

• A)direct observation
• B)surveys
• C)focus groups
• D)experiments

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