Based on the tons handled in a year, the ports listed below are the 25 busiest ports in the United States (The 2013 World Almanac).
a. What is the largest number of tons handled? What is the smallest number of tons handled? b. Using a class width of 25, develop a frequency distribution of the data starting with 25–49.9, 50–74.9, 75–99.9 and so on. c. Prepare a histogram. Interpret thehistogram.