Question

2. Is the following an example of simple random, cluster, systematic or convenience sampling?
Conduct a survey of everyone in your neighborhood.

3. Is the following an example of simple random, cluster, systematic or convenience sampling?
Group the students in a local college by year and then randomly select 15 students from each group.

4. Is the following an example of simple random, cluster, systematic or convenience sampling?
Select every 5th person that comes out of a grocery store.