1. Please write a complete definition for each of the terms.
a) Nonprobability Sample
b) Probability Sample
c) Snowball Sampling
d) Purposive Sample

2. If you are particularly concerned about how well a sample represents a population, you should pay particular attention to the:
a) nonprobability design
b) sampling frame
c) sampling interval
d) cluster design

3. The most carefully selected sample is almost never a perfect representation of the population from which it was selected. Some degree of sampling error always exists.
Do you agree??

4. How do we conduct a simple random sample?

5. List the types of non-probability sampling techniques.

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Non-probability Sample
Non-probability sample is defined as a non-probability that does not require or involve random selections, which probability sampling does require non-probability sampling, as cited in Brus & DeGruijter (2003).

Probability Sample
Probability sample is various methods of sampling that can be used in other forms of random selection. To utilize random sampling, researchers must be able to examine the populations and the different units of equal probabilities that is utilize in the research, as cited in Brus & DeGruijter (2003)....

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