1-1 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
A survey of 200 adults in the U.S. found
that 76% regularly wear seatbelts while
driving.
True or false: 76% is a parameter.
A. True
B. False
Section 1.1
1-2 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
A survey of 200 adults in the U.S. found
that 76% regularly wear seatbelts while
driving.
True or false: 76% is a parameter.
A. True
B. False
Section 1.1
1-3 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
In a survey of 1011 people age 50 or older,
73% agreed with the statement “I believe in
life after death”.
True or false: 73% is a statistic.
A. True
B. False
Section 1.1
1-4 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
In a survey of 1011 people age 50 or older,
73% agreed with the statement “I believe in
life after death”.
True or false: 73% is a statistic.
A. False
B. True
Section 1.1
1-5 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
True or false:
The checking account numbers of
customers at a bank represent quantitative
data.
A. True
B. False
Section 1.1
1-6 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
True or false:
The checking account numbers of
customers at a bank represent quantitative
data.
A. True
B. False
Section 1.1
1-7 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the quantitative
variable is continuous or discrete.
The time (in minutes) required for a student
to complete a quiz.
A. Continuous
B. Discrete
Section 1.1
1-8 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the quantitative
variable is continuous or discrete.
The time (in minutes) required for a student
to complete a quiz.
A. Continuous
B. Discrete
Section 1.1
1-9 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the study depicts an
observational study or an experiment:
Two sections of statistics are taught by the
same teacher. One section uses MyStatLab;
the other section does not. At the end of the
semester grades in the two sections are
compared.
A. Observational study
B. Experiment
Section 1.2
1-10 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the study depicts an
observational study or an experiment:
Two sections of statistics are taught by the
same teacher. One section uses MyStatLab;
the other section does not. At the end of the
semester grades in the two sections are
compared.
A. Observational study
B. Experiment
Section 1.2
1-11 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the study depicts an
observational study or an experiment:
A sample of 504 patients in early stages of
Alzheimer's disease is selected and then
divided into two groups. One receives an
experimental drug and the other receives a
placebo. The advance of the disease is
tracked at 1-month intervals over the next 1
year.
A. Observational study
B. ExperimentSection 1.2
1-12 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine whether the study depicts an
observational study or an experiment:
A sample of 504 patients in early stages of
Alzheimer's disease is selected and then
divided into two groups. One receives an
experimental drug and the other receives a
placebo. The advance of the disease is
tracked at 1-month intervals over the next 1
year.
A. Observational study
B. ExperimentSection 1.2
1-13 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
Students at a university are classified
according to major. The administration
randomly selects five majors. All students
majoring in those five areas are surveyed.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-14 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
Students at a university are classified
according to major. The administration
randomly selects five majors. All students
majoring in those five areas are surveyed.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-15 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
35 sophomores, 22 juniors and 55 seniors
are randomly selected to participate in a
study from 400 sophomores, 322 juniors
and 574 seniors at a high school.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-16 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
35 sophomores, 22 juniors and 55 seniors
are randomly selected to participate in a
study from 400 sophomores, 322 juniors
and 574 seniors at a high school.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-17 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
Officers for DMV pull aside every 40th tractor
trailer passing through a weight station
starting with the 12th for an emission test.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-18 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
Officers for DMV pull aside every 40th tractor
trailer passing through a weight station
starting with the 12th for an emission test.
A. Simple random sample
B. Stratified sample
C. Cluster sample
D. Systematic sample
Section 1.4
1-19 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
At a local technical school, five auto repair
classes are randomly selected and all of the
students from each class are interviewed.
What sampling technique is used?
A. Simple random sample
B. Stratified sample
C. systematic sample
D. Cluster sample
Section 1.4
1-20 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Identify the type of sampling used:
At a local technical school, five auto repair
classes are randomly selected and all of the
students from each class are interviewed.
What sampling technique is used?
A. Simple random sample
B. Stratified sample
C. systematic sample
D. Cluster sample
Section 1.4
1-21 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A college wants to survey students about
reducing the hours of the computer lab. To
conduct the survey, they select the next 50
students to enter the computer lab.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-22 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A college wants to survey students about
reducing the hours of the computer lab. To
conduct the survey, they select the next 50
students to enter the computer lab.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-23 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A politician sends a survey about tax issues
to a random sample of subscribers to a
literary magazine.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-24 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A politician sends a survey about tax issues
to a random sample of subscribers to a
literary magazine.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-25 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A data entry clerk mistypes a survey results
into his computer.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-26 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
A data entry clerk mistypes a survey results
into his computer.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-27 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
In the 1936 U.S. presidential election, The
Literary Digest mailed out 10 million
questionnaires, of which 2.3 million were
returned. Based on this, they predicted that
Republican Alf Landon would win with 370
of 531 electoral votes; he actually got 8.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
1-28 Copyright © 2013, 2010 and 2007 Pearson Education, Inc.
Determine the type of sampling bias:
In the 1936 U.S. presidential election, The
Literary Digest mailed out 10 million
questionnaires, of which 2.3 million were
returned. Based on this, they predicted that
Republican Alf Landon would win with 370
of 531 electoral votes; he actually got 8.
A. Sampling bias
B. Response bias
C. Nonresponse bias
Section 1.5
