The file NBACost contains the total ($) for four average-priced tickets, two beers, four soft drinks, four hotdogs, two game programs, two adult-size caps, and one parking space at each of the 30 National Basketball Association arenas during the 2014-2015 season. These costs were:

246.39 444.16 404.60 212.40 477.32 271.74 312.20 322.50 261.20 336.52 369.86 232.44 435.72 541.00 223.92 468.20 325.85 281.06 221.80 676.42 295.40 263.10 278.90 341.90 317.08 280.28 340.60 289.71 275.74 258.78

Please organize and visualize the above data in Excel as follows:

1. Organize these costs as an ordered array.
2. Construct a frequency distribution, a percentage distribution, and a cumulative percentage distribution.
3. Construct a histogram.
4. Around which class grouping, are the costs of attending a basketball game concentrated?