Review Quiz | Sampling and Sampling Distribution

Which of the following is not a reason for the need for sampling?

• It is usually too costly to study the whole population

   

• A sample is less costly to administer than a census.

• A sample is usually not a good representation of the target population.

• A sample is less cumbersome and more practical to administer.

Which of the following sampling methods is a probability sample?

• Convenience sample

• Quota Simple

• Stratified Sample

• Judgment sample

To obtain a sample of 10 books in the store, the manager walked to the first shelf next to the cash register to pick the first 10 books on that shelf. This is an example of a

• systematic sample.

• simple random sample

• stratified sample.

• convenience sample.

To demonstrate a sampling method, the instructor in a class picked the first 5 students sitting in the last row of the class. This is an example of a

• systematic sample

• simple random sample.

• stratified sample.

• convenience sample

A company selling apparel online sends out emails every Monday to all its customers who made a purchase. This is an example of a

• systematic sample

• convenience sample.

• simple random sample

• stratified sample.

Which of the following types of samples can you use if you want to make valid statistical inferences from a sample to a population?

• A judgment sample

• A quota sample

• A convenience sample

• A probability sample

The evening host of a dinner dance reached into a bowl, mixed all the tickets around, and selected the ticket to award the grand door prize. What sampling method was used?

• Simple random sample

• Systematic sample

• Stratified sample

• Cluster sample

A sample is always a good representation of the target population.

• True

• False

There can be ONLY ONE SAMPLE selected from a population

• True

• False

Sampling error can be COMPLETELY ELIMINATED by taking larger sample sizes

• True

• False