Question

Which of the following is the method of Unrestricted random sampling? a) Stratified sampling b) Lottery Method

c) Cluster sampling d) Systematic random sampling

Answer 1

I think it is a)stratified sampling

Answer 2

The method of Unrestricted random sampling is (B) Lottery Method.

• Meaning of Lottery Method

1. The lottery method of creating a simple random sample is exactly what it sounds like. A researcher randomly picks numbers, with each number corresponding to a subject or item, in order to create the sample.
2. Using the lottery method is one of the oldest ways and is a mechanical example of random sampling.
3. To create a sample this way, the researcher must ensure that the numbers are well mixed before selecting the sample population.