Which of the following is a statistical question?

How many students are in the 7th grade?

What were the scores on the last math test for students in Room 12?

What is the name of the school principal?

How many wheels does a bicycle have?

Which of the following is NOT a statistical question?

How many minutes does it take for each student to get to school?

What is the favorite sport of students in the 6th grade?

How many books did each student in the class read over the summer?

Because it has only one correct answer.

Because the answer for each student will vary.

Because the question is about numbers.

Because the teacher already knows the answer.