2.48 [EX02-048] Education has long been considered the ticket for upward mobility in the United States. In today’s information age, a college education has become the minimum level of educational attainment to enter an increasingly competitive market for jobs with more than subsistence wages. A report from the SUNY Downstate Medical Center included a study of the suburban areas that surround U.S. cities. One variable that was reported was the percentage of suburban residents 25 years of age and older who attended at least some college:

49.3 75.2 64.7 66.1 51.8

••• Remainder of data on Student’s Suite CD-ROM Source: SUNY Downstate Medical Center, 2004

a. Prepare a grouped frequency distribution for the percent of suburban populations age 25 and older with any college attendance using class midpoints 25, 30, 35, . . . 75.

b. List the class boundaries.

c. Construct a relative frequency histogram of these data.