NFL Salaries

The salaries (in millions of dollars) for

31 NFL teams for a specific season are given in this

frequency distribution.

Class limits

Frequency

39.9-42.8

2

42.9-45.8

2

45.9-48.8

5

48.9-51.8

5

51.9-54.8

12

54.9-57.8

5

Source: NFL.com

Construct a histogram, a frequency polygon, and an

ogive for the data; and comment on the shape of the

distribution.

5.

Automobile Fuel Efficiency

Thirty automobiles were

tested for fuel efficiency, in miles per gallon (mpg).

The following frequency distribution was obtained.