Research Methods For Business Students, 8th Edition Solution
Manual by Mark Saunders, Philip Lewis, Verified Chapters 1 -
14, Complete Newest Version
A statistical study is said to be biased if...
A. It is not a census
B. The response variable is not well defined
C. It systematically favors a certain outcome
D. Repetitions of the same study yield different results - ANSWER: C. It systematically
favors a certain outcome
Teachers are asked to visit a website and give their opinion about a new rating
system that is based upon student test scores and is tied to their income.
Identify the type of study
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: B. Voluntary response
The school newspaper wants to find the opinions of students on availability of
campus parking. They send a staff member to stand outside a busy dorm and
interview students as they walk in or out the building.
Identify the study type.
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: A. Convenience sample
A writer for a national newspaper wants to measure public support for an
amendment to the Constitution. She sets up a Twitter poll and invites readers of the
newspaper to respond to this poll. A total of 56 individuals respond to the Twitter
poll with their opinions about the amendment.
Identify the study type.
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: B. Voluntary response
Voluntary response samples invite bias because
A. They are more cost effective
B. They are easier to conduct
C. They attract those with strong opinions
D. The questions are misleading - ANSWER: C. They attract those with strong
opinions
Convenience samples invite bias because
A. They are more cost effective
B. They are easier to conduct
, C. They attract those with strong opinions
D. They survey participants tend to have similar characteristics that impact the
response variable - ANSWER: D. They survey participants tend to have similar
characteristics that impact the response variable
Voluntary response and convenience samples invite bias because
A. They are easy to carry out
B. They don't cost much money
C. They use personal choice
D. They are fast - ANSWER: C. They use personal choice
A simple random sample is better than a voluntary response or convenience sample
because it
A. Is easier to carry out
B. Attracts individuals that feel strongly about the topic
C. Avoids bias - ANSWER: C. Avoids bias
When using a table of random digits to obtain a simple random sample (SRS), one
must be sure to
A. Pay attention to the spaces in the table
B. Give each population element a code with the sample number of digits
C. Use the same digits each time you take a sample - ANSWER: B. Give each
population element a code with the same number of digits
Use the following portion of Table A at line 140 (read across the row) to select your
sample from a list of 99 elements (use 2-digit codes).
12975 11258 13048 45144 72321 81940 00360 0242896767 35964 23822 96012
The fourth element chosen is
A. 12
B. 25
C. 58
D. 7 - ANSWER: C. 58
In practice, use software to generate a simple random sample
A. When a table of digits in unavailable
B. When you want to be efficient
C. When you don't want to use random digits to select the sample - ANSWER: B.
When you want to be efficient
The first question to ask of any sample is
A. Did it cost a lot of money?
B. Was a table of random digits used?
C. Was random sampling used? - ANSWER: C. Was random sampling used?
If the entire population is included in the sample, we have what is called a
A. Random sample
B. Convenience sample
Manual by Mark Saunders, Philip Lewis, Verified Chapters 1 -
14, Complete Newest Version
A statistical study is said to be biased if...
A. It is not a census
B. The response variable is not well defined
C. It systematically favors a certain outcome
D. Repetitions of the same study yield different results - ANSWER: C. It systematically
favors a certain outcome
Teachers are asked to visit a website and give their opinion about a new rating
system that is based upon student test scores and is tied to their income.
Identify the type of study
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: B. Voluntary response
The school newspaper wants to find the opinions of students on availability of
campus parking. They send a staff member to stand outside a busy dorm and
interview students as they walk in or out the building.
Identify the study type.
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: A. Convenience sample
A writer for a national newspaper wants to measure public support for an
amendment to the Constitution. She sets up a Twitter poll and invites readers of the
newspaper to respond to this poll. A total of 56 individuals respond to the Twitter
poll with their opinions about the amendment.
Identify the study type.
A. Convenience sample
B. Voluntary response
C. Random sample - ANSWER: B. Voluntary response
Voluntary response samples invite bias because
A. They are more cost effective
B. They are easier to conduct
C. They attract those with strong opinions
D. The questions are misleading - ANSWER: C. They attract those with strong
opinions
Convenience samples invite bias because
A. They are more cost effective
B. They are easier to conduct
, C. They attract those with strong opinions
D. They survey participants tend to have similar characteristics that impact the
response variable - ANSWER: D. They survey participants tend to have similar
characteristics that impact the response variable
Voluntary response and convenience samples invite bias because
A. They are easy to carry out
B. They don't cost much money
C. They use personal choice
D. They are fast - ANSWER: C. They use personal choice
A simple random sample is better than a voluntary response or convenience sample
because it
A. Is easier to carry out
B. Attracts individuals that feel strongly about the topic
C. Avoids bias - ANSWER: C. Avoids bias
When using a table of random digits to obtain a simple random sample (SRS), one
must be sure to
A. Pay attention to the spaces in the table
B. Give each population element a code with the sample number of digits
C. Use the same digits each time you take a sample - ANSWER: B. Give each
population element a code with the same number of digits
Use the following portion of Table A at line 140 (read across the row) to select your
sample from a list of 99 elements (use 2-digit codes).
12975 11258 13048 45144 72321 81940 00360 0242896767 35964 23822 96012
The fourth element chosen is
A. 12
B. 25
C. 58
D. 7 - ANSWER: C. 58
In practice, use software to generate a simple random sample
A. When a table of digits in unavailable
B. When you want to be efficient
C. When you don't want to use random digits to select the sample - ANSWER: B.
When you want to be efficient
The first question to ask of any sample is
A. Did it cost a lot of money?
B. Was a table of random digits used?
C. Was random sampling used? - ANSWER: C. Was random sampling used?
If the entire population is included in the sample, we have what is called a
A. Random sample
B. Convenience sample
