Cynthia wants to know the favorite band of all 5th graders in her school. She asks 10 of her friends from the 5th grade Art Club.

How would you describe this sample?

Question 8 options:

This is a valid sample since she only asked 5th graders.


This sample is valid because it is a Simple Random Sample.


This sample is invalid because it is a Systematic Random Sample.


This sample is invalid because it is a Convenience Sample.