Chapter 2
2.1 Nominal: Occupation, undergraduate major. Ordinal: Rating of university professor, Taste test ratings. Interval:
age, income
2.2 a Interval
2.3 a Interval
b Nominal
2.4 a Nominal
b Interval
2.5 a Interval
b Interval
2.6 a Interval
b Interval
2.7 a Interval
b Nominal
2.8 a Interval
2.9 a Interval
2.10 a Ordinal
2.11
300,000,000,000
2.12
2.13
Brazil
1%
Canada
13% China
1%
Iran
10%
United Arab
Emirates
7%
United States
2%
Venezuela
16%
15,000,000
20,000,000
25,000,000
2.14
2.15
Still gas
5%
Marketable
coke
5%
Liquified
refinery
gas
3%
Lubricants
1%
Other
2%
Natural gas
Nuclear
0.0%
Hydroelectric
1.2%
Biomass
4.1%
Other
0.3%
2.16
2.17
4000
5000
6000
7000
8000
9000
400
500
600
700
800
2.18
2.19
Residential
Paper and
paperboard
28%
Other
18%
Recycled Plastic,
1%
Recycled Glass,
3%
Recycled Paper,
14%
Recycled
Metal, 1%
Recycled
Organic/Food,
7%
Disposed Other,
17%
Non-Residential
2.20 a.
Recycled Glass ,
1%
Recycled
Paper, 11%
Recycled
Metal, 3%
Recycled
Organic, 1%
Recycled
Construction/Dem
olition, 1%
Recycled
Disposed
Construction/Dem
olition, 7%
Disposed Other,
6%
500
600
700
800
b.
Algeria
4% Angola
5%
Saudi Arabia
14%
Venezuela
12%
2.21
Males
Females
20.0
25.0
30.0
35.0
20.0
25.0
30.0
35.0
2.22
2.23
150
200
250
300
4
5
6
2.24
2.25
Pay medical
bills
6%
Save
5%
Other
3%
Home
improvement
13%
Appliances
3%
Automobles
3%
Clothing
Vacation
11%
Impulse
4%
Down payment
house
2%
2.26
2.27
Location
Career focus
Community
5%
Number of
students
8%
Word of mouth
12%
Internet
8%
2.28
2.29 a Newspaper Frequency Relative Frequency
Daily News 141 .39
b
The Daily News and the Post dominate the market
Basement
32%
Kitchen
27%
Living/dining
room
9%
New York Daily
news
39%
New York Times
9%
Wall Street
Journal
16%
2.30a Degree Frequency
BA 88
b.
c
60
70
80
90
100
B.A.
38%
B.Sc.
11%
Other
13%
2.31a
b
2.32 a Software Frequency
Excel 34
20
25
30
35
40
45
IBM
21%
Other
26%