The 2000 National Doctoral Program Survey asked 32,000 current and recent Ph.D. students in the United States, across all disciplines, to respond to the statement “I am satisfied with my advisor.” The researchers calculated the percentage of students who responded “agree” or “strongly agree”: current students, 87%; recent graduates, 86%; former students who left without completing the Ph.D., 48%. 

a. Use a software program that produces graphs (e.g., Excel, SPSS, Minitab) to create a bar graph for these data. 

b. Play with the options available to you. List aspects of the bar graph that you are able to change to make your graph meet the guidelines listed in this chapter. Be specific, and include the revised graph.