Explain the purpose of public opinion polls. describe several ways in which a sample can be conducted. which is the most effective? why? ( give educated answer that isn't plagiarized)

The purpose of public opinion polls is to gather a consensus on what the general citizenry believes and is meant to be subjective in nature (such as a poll on conspiracy theories). A sample can be conducted by simple random sampling, systematic sampling, or clustered sampling to name a few. The best kind is usually simple random sampling since this type is unbiased and collects information from a variety of groups.

So far i know that you cant