3.10 The survey on student attitude toward e-books described in Exercise 3.5 was conducted in 2011.

A similar survey was also conducted in 2012 (The Chronicle of Higher Education, August 23, 2013). Data from 1588 students who participated in the 2012 survey are summarized in the accompanying table.

Response Percentage in This Category Strongly disagree 19.1 Disagree 27.5 Agree 26.3 Strongly agree 16.0 Don’t know 11.1

a. Use these data and the data from Exercise 3.5 to construct a comparative bar chart that shows the distribution of responses for the two years. (Hint:

See Example 3.1.)

b. Based on your graph from part (a), do you think there was much of a change in attitude toward e-books from 2011 to 2012?