Answer:
The survey you mentioned is an example of a non-probability sampling method called convenience sampling. Convenience sampling is a type of sampling where the sample is selected based on its ease of access or availability. In this case, the company employees conducted the survey by asking 50 of their friends.
There are different types of surveys that can be used depending on the research question and the population being studied. Surveys can be classified based on the frequency of their administration or the way of deployment
Explanation: