MAT 131 - Descriptive Statistics Ch. 1.3 - Collecting
Sample Data Questions with Verified Correct
Answer
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
A researcher selects every 223th social security number and surveys the corresponding
person
Systematic Sampling
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
In a poll conducted by a certain research center, 1056 adults were called after their
telephone numbers were randomly generated by a computer, and 90% were able to
correctly identify the president.
Random
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
A man is selected by a marketing company to participate in a paid focus group. The
company says that the man was selected because every 7500th person in the phone number
listings was being selected.
, Systematic Sampling
Identify which type of sampling is used: random, systematic, convenience, stratified, or
cluster.
To determine customer opinion of their pricing, Amtrak randomly selects 80 trains during
a certain week and surveys all passengers on the trains.
Cluster
Identify which of these types of sampling is used: random, systematic, convenience,
stratified, or cluster.
A large company wants to administer a satisfaction survey to its current customers. Using
their customer database, the company randomly selects 90 customers and asks them about
their level of satisfaction with the company.
Random
Identify which of these types of sampling is used: random, systematic, convenience,
stratified, or cluster.
To determine her breathing rate, Keri divides up her day into three parts: morning,
afternoon, and evening. She then measures her breathing rate at 3 randomly selected times
during each part of the day.
Stratified
Sample Data Questions with Verified Correct
Answer
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
A researcher selects every 223th social security number and surveys the corresponding
person
Systematic Sampling
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
In a poll conducted by a certain research center, 1056 adults were called after their
telephone numbers were randomly generated by a computer, and 90% were able to
correctly identify the president.
Random
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster
sampling) in the situation described below.
A man is selected by a marketing company to participate in a paid focus group. The
company says that the man was selected because every 7500th person in the phone number
listings was being selected.
, Systematic Sampling
Identify which type of sampling is used: random, systematic, convenience, stratified, or
cluster.
To determine customer opinion of their pricing, Amtrak randomly selects 80 trains during
a certain week and surveys all passengers on the trains.
Cluster
Identify which of these types of sampling is used: random, systematic, convenience,
stratified, or cluster.
A large company wants to administer a satisfaction survey to its current customers. Using
their customer database, the company randomly selects 90 customers and asks them about
their level of satisfaction with the company.
Random
Identify which of these types of sampling is used: random, systematic, convenience,
stratified, or cluster.
To determine her breathing rate, Keri divides up her day into three parts: morning,
afternoon, and evening. She then measures her breathing rate at 3 randomly selected times
during each part of the day.
Stratified
