The following data represent the percentage of people without health insurance for the 50 states and the District of Columbia in 2009.
4.2, 10.6, 12.6, 14.8, 17.8, 18.9, 21.4, 8.6, 10.6, 13.0, 15.5, 18.1, 19.4, 22.2, 9.2, 10.9, 13.3, 15.9, 18.3, 19.6, 25.0, 9.6, 10.9, 13.4, 15.9, 18.3, 19.7, 9.6, 11.3, 13.9, 16.1, 18.4, 20.6, 9.7, 11.4, 14.0, 16.1, 18.4, 21.1, 10.2, 11.6, 14.3, 16.1, 18.6, 21.2, 10.5, 12.3, 14.7, 16.2, 18.7, 21.3
With the first class having a lower class limit of 4 and a class width of 2:
A- Construct a frequency distribution.
B- Construct a relative frequency distribution.
C- Construct a frequency histogram of the data.
D- Construct a relative frequency histogram of the data.
E- Describe the shape of the distribution.