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

Question

Quizplus · Accepted Answer

This method is known as an experiment because it involves manipulating one variable (the pace of the music) to observe its effect on another variable (average revenue per customer), under controlled conditions.

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