Determine whether the data set is a population or a sample. Explain your reasoning.

The grades of 5 students in a classroom of 30

A) Sample, because it is a collection of

grades for all students in the classroom ,

but there are other classrooms.

B.

Sample, because the collection of

5 students' grades

is a subset of all students in the class.

C.

Population, because it is a collection of

grades for all students in the classroom.

D.

Population, because it is a subset of all students in the class.