Chapter 2

A researcher stands at the school's entrance and interviews the parents who enter in the morning. 

• simple random
• stratified

• systematic
• convenience

A company wants to survey customer satisfaction across its nationwide stores. First, they randomly select two regions from the country, and then choose three cities from each region. Next, they randomly select five stores in each chosen city. Finally, at each selected store, they survey 50 customers

• simple random
• multi-stage

• systematic
• convenience

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Systematic Sampling

• Simple Random Sampling

• Stratified sampling

A university wants to study student satisfaction but has thousands of students. Instead of selecting individuals randomly, they divide students into clusters based on classrooms. Then, they randomly select 3 classrooms and survey all students in those selected classrooms.

• Simple Random

• Stratified

• Multi-stage

• Cluster

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.

• Simple Random
• Systematic

• Stratified

• Convenience

Farmer Joe's apple tree farm is set up in 100 rows.  He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.  This is _____________ sampling.  

• Random
• Stratified
• Cluster

• Systematic

Which of the following are not types of non-probability sampling?

• Quota

• Cluster

• Snowball

• Judgement

Which of the following are not types of probability sampling?

• Systematic

• Cluster

• Snowball

• Stratified

A logistics company wants to study customer satisfaction with its delivery service. Instead of surveying all customers, managers select customers who frequently order or have experienced delivery delays.

• Judgmental

• Convenience

• Quota

• Snowball