A city planning committee surveys 100 people waiting at a bus stop about the expansion of the public transportation system.

Question

Is this an example of a: random sample, systematic sample, self-selected sample, convenience sample, bipartisan sample, or stratified random sample?

I think that it's an example of a convenience sample.

Volunteers stop to survey residents of every fourth house from the end of each block in town.

Is this an example of a: random sample, systematic sample, self-selected sample, convenience sample, bipartisan sample, or stratified random sample?

I think that it's an example of a systematic sample.

Answer 1

I agree with both!