1. What is the difference between a histogram and a bar chart? For what type of data would each be appropriate?
2. The following U.S. market shares for 2007 retail car sales have been reported. Source: World Almanac and Book of Facts 2009, p. 122.
|
Country or Region of Manufacture
|
2007 market share
|
|
North America
|
69.0%
|
|
Japan
|
15.5
|
|
Germany
|
7.4
|
|
Other
|
8.1
|
Express the data in the form of a bar chart.
3. The median income for a four-person family has been reported as shown here for 1993-2003.
Source: Time Almanac 2006, p. 627.
|
1998
|
$0.18
|
2004
|
$0.55
|
|
1999
|
0.20
|
2005
|
0.67
|
|
2000
|
0.22
|
2006
|
1.00
|
|
2001
|
0.23
|
2007
|
1.50
|
|
2002
|
0.24
|
2008
|
1.63
|
|
2003
|
0.40
|
|
|
Using these data and the data in Exercise 2.32, draw a line graph that describes both net income and dividend per share of common stock over time. (Both lines will be plotted on the same graph.)