Question

The language arts teacher wants to know whether the students in the entire school prefer a debate or an speech. The teacher draws a random sample from the following groups:

• All teachers in the school
• All boys in each grade
• All students in the speech club
• All students in each grade

Which group best represents the population she should take a random sample from to get the best results for her survey?

A. All teachers in the school
B. All boys in each grade
C. All students in the speech club
D. All students in each grade

Answer 1

D. All students in each grade

Explanation:

Answer 2

D.

Explanation:

A. wouldn't be the correct answer because the language arts teacher wants to know whether the students prefer debate or speech, not the teachers.

B. wouldn't be the correct answer because the sample doesn't include girls.

C. wouldn't be the correct answer because the students most likely prefer speech.

D. is the correct answer because the sample includes all students in each grade.