Here is a list of questions about the students and teachers at a school. Select ALL the questions that are statistical questions.
a. What is the most popular lunch choice?
b. What school do these students attend?
c. How many math teachers are in the school?
d. What is a common age for the teachers at the school?
e. About how many hours of sleep do students generally get on a school night?
f. How do students usually travel from home to school?
Which ones are correct? Pick multiple answers please.