BUSI 230 - SECTION 1.1 EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
A pollster wants to estimate the proportion of voters in a certain town who are Democrats. He goes
to a large shopping mall and approaches people to ask whether they are Democrats. Is this a simple
random sample? - Answers No
A telephone company wants to estimate the proportion of customers who are satisfied with their
service. They use a computer to generate a list of random phone numbers and call those people to
ask them whether they are satisfied. Is this a simple random sample? - Answers Yes
A podcaster uses social media to ask followers about their opinions on an upcoming election. Over
10,000 responses have been collected. What kind of sample is this? - Answers Voluntary response
sample
Every 10 years, the U.S. Census Bureau attempts to count every person living in the United States. To
check the accuracy of their count in a certain city, they draw a sample of census districts (roughly
equivalent to a city block) and recount everyone in those districts. What kind of sample is formed of
the people who are counted? - Answers Cluster sample
A public health researcher is designing a study of the effect of diet on heart disease. The researcher
knows that the diets of males and females tend to differ and that males are more susceptible to heart
disease. To ensure that both males and females are well represented, the study comprises a simple
random sample of 100 males and another simple random sample of 100 females. What kind of
sample do these 200 people represent? - Answers Stratified sample
A college basketball team held a promotion at one of its games in which every twentieth person who
entered the arena won a free basketball. What kind of sample do the winners represent? - Answers
Systematic sample
A restaurant manager stops by the tables of people in the restaurant and asks them for their opinions
on upcoming menu changes. What kind of sample is this? - Answers Sample of convenience
To select people to call for jury duty, a numbered list of all residents with driver's licenses or ID cards
is made. Then random numbers are generated, and the people corresponding to those numbers are
selected. What kind of sample is this? - Answers Simple random sample
The entire collection of individuals about which information is sought is called a _____. - Answers
population
A _____ is a type of sample that is analogous to a lottery. - Answers simple random sample
A _____ sample is one in which the population is divided into groups and a random sample of groups
is drawn. - Answers cluster
Ideally, the characteristic of a _____ should be similar to those of the population. - Answers sample
A sample of convenience is never acceptable. - Answers False
Both stratified sampling and cluster sampling divide the population into groups. - Answers True
A pollster wants to estimate the proportion of voters in a certain town who are Democrats. He goes
to a large shopping mall and approaches people to ask whether they are Democrats. Is this a simple
random sample? - Answers No
A telephone company wants to estimate the proportion of customers who are satisfied with their
service. They use a computer to generate a list of random phone numbers and call those people to
ask them whether they are satisfied. Is this a simple random sample? - Answers Yes
A podcaster uses social media to ask followers about their opinions on an upcoming election. Over
10,000 responses have been collected. What kind of sample is this? - Answers Voluntary response
sample
Every 10 years, the U.S. Census Bureau attempts to count every person living in the United States. To
check the accuracy of their count in a certain city, they draw a sample of census districts (roughly
equivalent to a city block) and recount everyone in those districts. What kind of sample is formed of
the people who are counted? - Answers Cluster sample
A public health researcher is designing a study of the effect of diet on heart disease. The researcher
knows that the diets of males and females tend to differ and that males are more susceptible to heart
disease. To ensure that both males and females are well represented, the study comprises a simple
random sample of 100 males and another simple random sample of 100 females. What kind of
sample do these 200 people represent? - Answers Stratified sample
A college basketball team held a promotion at one of its games in which every twentieth person who
entered the arena won a free basketball. What kind of sample do the winners represent? - Answers
Systematic sample
A restaurant manager stops by the tables of people in the restaurant and asks them for their opinions
on upcoming menu changes. What kind of sample is this? - Answers Sample of convenience
To select people to call for jury duty, a numbered list of all residents with driver's licenses or ID cards
is made. Then random numbers are generated, and the people corresponding to those numbers are
selected. What kind of sample is this? - Answers Simple random sample
The entire collection of individuals about which information is sought is called a _____. - Answers
population
A _____ is a type of sample that is analogous to a lottery. - Answers simple random sample
A _____ sample is one in which the population is divided into groups and a random sample of groups
is drawn. - Answers cluster
Ideally, the characteristic of a _____ should be similar to those of the population. - Answers sample
A sample of convenience is never acceptable. - Answers False
Both stratified sampling and cluster sampling divide the population into groups. - Answers True
