1.6 Summer jobs. You are collecting information about summer jobs that are available for college students in your area. Describe a data set that you could use to organize the information that you collect. a. What are the cases? b. Identify the variables and their possible values. c. Classify each variable as categorical or quantitative. Be sure to include at least one of each. d. Use a label and explain how you chose it. e. Summarize the key characteristics of your data set.