Statistical Reasoning Practice Test
with 100% Correct Answers
1. In a study, the sample is chosen by asking people on the street
What is the sampling method?
1. Simple Random
2. Systematic
3. Stratified
4. Cluster
5. Convenience
Convenience
2. In a study, the sample is chosen by grouping the class by gender, then selecting 10 males
and 10 females
What is the sampling method?
1. Simple Random
2. Systematic
3. Stratified
4. Cluster
5. Convenience
Stratified
3. Examine the following survey question for any sources of bias.
Given that 18-year-olds are old enough to vote and to serve in the military, is it fair to set
the drinking age at 21?
, Is the question biased?
1. Yes
2. No
Yes
4. Match the sample of students with the correct sampling method.
Every third student on the class list.
1. random
2. systematic
3. convenience
4. cluster
systematic
5. For a ____________ sample, a random sample is taken from each group (or strata).
stratified
6. _______________ sampling is like stratified sampling, but the idea is that entire groups
are selected as opposed to individuals.
Cluster
7. For each stage in the multistage sampling plan of this study, identify the sampling
technique that was used:
The 2 companies' claims are classified (depending on their origin) according to 7
geographical regions, and within each region, the sampling continues.
1. cluster sampling
2. simple random sample
3. stratified sampling
with 100% Correct Answers
1. In a study, the sample is chosen by asking people on the street
What is the sampling method?
1. Simple Random
2. Systematic
3. Stratified
4. Cluster
5. Convenience
Convenience
2. In a study, the sample is chosen by grouping the class by gender, then selecting 10 males
and 10 females
What is the sampling method?
1. Simple Random
2. Systematic
3. Stratified
4. Cluster
5. Convenience
Stratified
3. Examine the following survey question for any sources of bias.
Given that 18-year-olds are old enough to vote and to serve in the military, is it fair to set
the drinking age at 21?
, Is the question biased?
1. Yes
2. No
Yes
4. Match the sample of students with the correct sampling method.
Every third student on the class list.
1. random
2. systematic
3. convenience
4. cluster
systematic
5. For a ____________ sample, a random sample is taken from each group (or strata).
stratified
6. _______________ sampling is like stratified sampling, but the idea is that entire groups
are selected as opposed to individuals.
Cluster
7. For each stage in the multistage sampling plan of this study, identify the sampling
technique that was used:
The 2 companies' claims are classified (depending on their origin) according to 7
geographical regions, and within each region, the sampling continues.
1. cluster sampling
2. simple random sample
3. stratified sampling
