2. It is generally believed that a practical major such as business or engineering can really pay off for college graduates (CNNMoney.com, July 2010). Other studies have shown that it is not just the major, but also how students perform, as measured by their GPA, that influences their GPA Business Engineering Social Sciences salaries. Henry Chen, an employee of PayScale.com, wants to measure the effect of major and 70 44 GPA on starting salaries of graduates of the University of California at Irvine. He samples the 68 54 66 starting salaries of five graduates for a given GPA range from the schools of business, 52 78 62 66 engineering, and social sciences. 3.5-4.0 80 56 42 a. Perform some descriptive statistics on the data. What are the average salaries and 58 72 72 standard deviations for the different grouping variables? Create a graph that 48 66 48 summarizes the data (boxplot, bar graph or something similar) 76 54 48 3.0-3.5 60 70 58 48 52 56 64 64 38 54 60 44 42 42 38