Uninsured Rates: 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
|
15.5
|
18.1
|
19.4
|
22.2
|
|
9.2
|
10.9
|
13.3
|
15.9
|
18.3
|
19.6
|
25
|
|
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
|
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 ?rst 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.