Along with the salaries for the 400 college professors in Example 3.1, the researcher recorded two qualitative variables for each professor: rank and type of college. Table 3.2 shows the number of professors in each of the 23356 categories. Use comparative charts to describe the data. Do the private colleges employ as many high-ranking professors as the public colleges do?

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Table 3.2 Number of Professors by Rank and Type of College Full Associate Assistant Total Professor Professor Professor Public 24 57 69 150 Private 60 78 112 2250