Question: Recently there has been a flurry of merges of major U.S. banks, including Wells Fargo’s acquisition of Wachovia, JPMorgan Chase’s buyout of Washington Mutual, and Bank of America’s takeover of Merrill Lynch. The Nilson Report (Oct. 2010) ranked U.S. banks with recent acquisitions by the amount charged to credit and debit cards issued by the banks. The following data gives the total amount ($billions) charged in 2009 for the top ranked banks.

174, 268, 345, 119, 400, 520, 190, 448, 307, 252

Construct a histogram.