II, Ivyworld University has thousands of prospective studentsfparents visit their campus every year. The admissions ofce uses current students to assemble the Visitor packets. (Students earn required service learning credits by doing this work Every student is eligible to work one shift.) The student has to put a welcome letter, campus map, and FAQ page into a folder. A social psych professor worked with the admissions oice to run an experiment. She randomly assigned the volunteers to a one-hour shift working alone, working with one other student, or working with seven other students. Over several weeks, she measured the number of completed folders the participants made in an hour. The data are below. 1. What is the Independent Variable (I.V.) or Variables? 2. What are the levels within each I.V.'.' 3. What is the Dependent Variable (DIV)? 4. Which statistical analysis should you select