Question

1. (15 pts) The following data show the percentage change in population for the 50 states and the District of Columbia from 2000 to 2009.

State	Percent Change	State	Percent Change	State	Percent Change
Alabama	5.9	Kentucky	6.7	North Dakota	0.7
Alaska	11.4	Louisiana	0.5	Ohio	1.7
Arizona	28.6	Maine	3.4	Oklahoma	6.9
Arkansas	8.1	Maryland	7.6	Oregon	11.8
California	9.1	Massachusetts	3.9	Pennsylvania	2.6
Colorado	16.8	Michigan	0.3	Rhode Island	0.5
Connecticut	3.3	Minnesota	7	South Carolina	13.7
Delaware	13	Mississippi	3.8	South Dakota	7.6
District of Columbia	4.8	Missouri	7	Tennessee	10.7
Florida	16	Montana	8.1	Texas	18.8
Georgia	20.1	Nebraska	5	Utah	24.7
Hawaii	6.9	Nevada	32.3	Vermont	2.1
Idaho	19.5	New Hampshire	7.2	Virginia	11.4
Illinois	4	New Jersey	3.5	Washington	13.1
Indiana	5.6	New Mexico	10.5	West Virginia	0.6
Iowa	2.8	New York	3	Wisconsin	5.4
Kansas	4.8	North Carolina	16.6	Wyoming	10.2

a. Construct a relative frequency distribution (5 pts) and draw a histogram of the data. (4 pts)

b.  Round the data to integers in percentage and then create a stem-and-leaf display of these data. (4 pts)

c.  Describe the shape of the distribution. (2 pts)

Answer 1

a. Construct a relative frequency distribution (5 pts) and draw a histogram of the data. (4 pts)

Formula Ref:

b.  Round the data to integers in percentage and then create a stem-and-leaf display of these data. (4 pts)

Describe the shape of the distribution. (2 pts

It is skewed right distribution