A report titled National Transportation Statistics, sponsored by the Bureau of Transportation Statistics, provides statistics on travel in the United States. During one year, the total number of passengers, in millions, for a sample of 40 airports is shown in the table at the bottom of the preceding page.

a. Construct a frequency histogram for these data. Use classes of equal width 4 and a first midpoint of 2.
b. Identify the overall shape of the distribution.
c. State whether the distribution is symmetric, right skewed, or left skewed.

Transcribed Image Text:

38.3 7.6 13.5 4.8 3.5 7.0 115 6.0 17.2 8.7 5. 13.3 10.0 25.1 4.3 3.6 15.8 16.7 7. 4.8 15.1 6.7 9.0 6.6 3.6 10.6 .0 6.9 5.7 3.8 74 4.4 6.2 27.8 5.2 8.7 3.9 3.5 114 7.0