An important part of employee compensation is a benefits package. Suppose you want to conduct a survey of benefits packages available in private health companies listed in the Ontario Business Directory. Ideally, you would have a sample size of at least $100.$

Categorize each sampling method below as simple random, stratified, systematic, cluster or convenience.

Send a team of five research assistants to downtown Toronto. Let each assistant select a street and interview an employee from each health company they find. They can stop when they have responses from $20$ different companies.