1. Name the four basic sampling techniques.
2. Why are samples used in statistics?
3. What is the basic requirement for a sample?
4. Why should random numbers be used when you are selecting a random sample?
5. List three incorrect methods that are often used to obtain a sample.
6. What is the principle behind random numbers?
7. List the advantages and disadvantages of random sampling.
8. List the advantages and disadvantages of systematic sampling.
9. List the advantages and disadvantages of stratified sampling.
10. List the advantages and disadvantages of cluster sampling.