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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.)
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three experiments investigating the relation between need for cognitive closure and persuasion were performed. part of
If (K, d) is a compact metric space and u ∈ K , show that for any finite M and 0 α ≤ 1, { f ∈ Lip(α, M ): | f (u)|≤ M } is compact for dsup. 2. If S = [0, 1] with its usual metric and α > 1, show that Lip(α, 1) contains only constant functions...
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