Samuel is researching the family size of the students in his school's after-school program. He hands out flyers asking students to email him with information about the sizes of their families. Which of the following is not true?

All of the students that email him are the sample.
The population is the students with a different family size from his.
He used volunteer sampling.
Each student that emails him is a unit in the study.

Question

Samuel is researching the family size of the students in his school's after-school program. He hands out flyers asking students to email him with information about the sizes of their families. Which of the following is not true?
 	
	All of the students that email him are the sample.
	The population is the students with a different family size from his.
	He used volunteer sampling.
	Each student that emails him is a unit in the study.

anonymous · Answer

All of the students that email him are the sample. if i had to say anything it would have to be this but don't hold me in account for this if i got it wrong.