Case Study 3 The store manager of a retail store thinks customers might spend more time and money in the store if they play a specific music style for customers (for example, slow music) while they are shopping. As a marketing researcher, you want to help him design an experiment to test the impact of music style on shoppers' behaviors. Explain the design of your suggested experiment. While you describe the experiment, make sure you discuss these questions: 1- What is the independent variable of the study and how would you manipulate it? 2- What dependent variable(s) do you think might be important in this experiment? 3- Develop a hypothesis for one of your dependent variables. (For example, the average amount spent per visit will be higher when the background music is slow than when background music is fast) Don't forget that your hypothesis should be followed by a logic that why you expect that effect