ANSWERS TO EVEN-NUMBERED COMPUTATIONAL PROBLEMS
CHAPTER 1
1.4
a Country of birth Nominal
b Age I-R
c Years of school I-R
d Occupation Nominal
e Social Class Ordinal
f GPA I-R
g Major Nominal
h Legalized Drugs? Ordinal
i Astrological sign Nominal
j Number of siblings I-R
1.6
a Infant mortality rates Dependent I-R
% of adults allowed to vote Independent I-R
b Before / after Independent Nominal
Traffic volume Dependent I-R
Number of accidents Dependent I-R
Number of fatalities Dependent I-R
c Before / after Independent Nominal
Survey Dependent I-R
d Frequency of harassment Dependent Ordinal
Age Independent I-R
Major Independent Nominal
e Type of pick up Independent Nominal
Number of complaints Dependent I-R
Time Dependent I-R
Cost Dependent I-R
f Race / ethnicity Independent Nominal
Tolerance Dependent Ordinal
g Budget cuts Independent Nominal
Size of homeless population Dependent I-R
h Sex Independent Nominal
Political philosophy Independent Nominal
Major Independent Nominal
Support / Oppose closing Dependent Ordinal
Number of visits Dependent I-R
Does porn cause rape? Dependent Ordinal
1.8
205
,abany Ordinal1
abpoor Ordinal1
age I-R
attend Ordinal
bigbang Ordinal2
cappun Ordinal2
childs I-R (but note high score is “8 or more)
class Ordinal
closeblk Ordinal
degree Ordinal
educ I-R
evolved Ordinal2
fear Ordinal4
fechld Ordinal
fefam Ordinal
getahead Ordinal
gunlaw Ordinal
happy Ordinal
hrs1 I-R
Income06 Ordinal
1. “Yes” is more supportive of abortion rights
2. “True” means the respondent is more supportive of the theory
3. “Favor” is more supportive than “Oppose”
4. “yes” is more fearful
CHAPTER 2
2.2
a 34.83%
b 0.07
c 83:15 = 5.53
d 56.67%
e 412:315 = 1.31
f 0.34
g 1.79%
h 178:98 = 1.82
i 30:32 = 0.94
j 0.17
2.4
State 1997 2012 % Change
New Jersey 4.20 4.22 0.53
Iowa 1.82 1.28 -29.79
206
, Alabama 10.29 5.71 -44.51
Texas 6.83 4.97 -27.24
California 7.99 4.86 -39.24
Province 1997 2012 % Change
Nova Scotia 2.56 1.79 -29.84
Quebec 1.80 1.34 -25.51
Ontario 1.56 1.20 -23.18
Manitoba 2.72 4.08 49.81
British Columbia 2.90 1.51 -47.70
2.10
Response Time, 2000 Frequency (f) Percentage
21 minutes or more 20 2.29
16–20 minutes 90 10.29
11–15 minutes 185 21.14
6–10 minutes 370 42.29
Less than 6 minutes 210 24.00
875 100.00
Response Time, 2010 Frequency (f) Percentage
21 minutes or more 45 5.03
16–20 minutes 95 10.61
11–15 minutes 155 17.32
6–10 minutes 350 39.11
Less than 6 minutes 250 27.93
895 100.00
CHAPTER 3
3.2
Variable
Enrollment Mean = 1219.25
Racial / Ethnic Group Mode = White
% College Bound Mean = 47.63
Sport Mode = Football
Physical Plant Median = 6.5, Mean = 6.75
3.4 Mean = 26.55, Median = 26.0
207
CHAPTER 1
1.4
a Country of birth Nominal
b Age I-R
c Years of school I-R
d Occupation Nominal
e Social Class Ordinal
f GPA I-R
g Major Nominal
h Legalized Drugs? Ordinal
i Astrological sign Nominal
j Number of siblings I-R
1.6
a Infant mortality rates Dependent I-R
% of adults allowed to vote Independent I-R
b Before / after Independent Nominal
Traffic volume Dependent I-R
Number of accidents Dependent I-R
Number of fatalities Dependent I-R
c Before / after Independent Nominal
Survey Dependent I-R
d Frequency of harassment Dependent Ordinal
Age Independent I-R
Major Independent Nominal
e Type of pick up Independent Nominal
Number of complaints Dependent I-R
Time Dependent I-R
Cost Dependent I-R
f Race / ethnicity Independent Nominal
Tolerance Dependent Ordinal
g Budget cuts Independent Nominal
Size of homeless population Dependent I-R
h Sex Independent Nominal
Political philosophy Independent Nominal
Major Independent Nominal
Support / Oppose closing Dependent Ordinal
Number of visits Dependent I-R
Does porn cause rape? Dependent Ordinal
1.8
205
,abany Ordinal1
abpoor Ordinal1
age I-R
attend Ordinal
bigbang Ordinal2
cappun Ordinal2
childs I-R (but note high score is “8 or more)
class Ordinal
closeblk Ordinal
degree Ordinal
educ I-R
evolved Ordinal2
fear Ordinal4
fechld Ordinal
fefam Ordinal
getahead Ordinal
gunlaw Ordinal
happy Ordinal
hrs1 I-R
Income06 Ordinal
1. “Yes” is more supportive of abortion rights
2. “True” means the respondent is more supportive of the theory
3. “Favor” is more supportive than “Oppose”
4. “yes” is more fearful
CHAPTER 2
2.2
a 34.83%
b 0.07
c 83:15 = 5.53
d 56.67%
e 412:315 = 1.31
f 0.34
g 1.79%
h 178:98 = 1.82
i 30:32 = 0.94
j 0.17
2.4
State 1997 2012 % Change
New Jersey 4.20 4.22 0.53
Iowa 1.82 1.28 -29.79
206
, Alabama 10.29 5.71 -44.51
Texas 6.83 4.97 -27.24
California 7.99 4.86 -39.24
Province 1997 2012 % Change
Nova Scotia 2.56 1.79 -29.84
Quebec 1.80 1.34 -25.51
Ontario 1.56 1.20 -23.18
Manitoba 2.72 4.08 49.81
British Columbia 2.90 1.51 -47.70
2.10
Response Time, 2000 Frequency (f) Percentage
21 minutes or more 20 2.29
16–20 minutes 90 10.29
11–15 minutes 185 21.14
6–10 minutes 370 42.29
Less than 6 minutes 210 24.00
875 100.00
Response Time, 2010 Frequency (f) Percentage
21 minutes or more 45 5.03
16–20 minutes 95 10.61
11–15 minutes 155 17.32
6–10 minutes 350 39.11
Less than 6 minutes 250 27.93
895 100.00
CHAPTER 3
3.2
Variable
Enrollment Mean = 1219.25
Racial / Ethnic Group Mode = White
% College Bound Mean = 47.63
Sport Mode = Football
Physical Plant Median = 6.5, Mean = 6.75
3.4 Mean = 26.55, Median = 26.0
207
