Teresa and the tuck shop

This task is about planning an investigation

Here is the lunch menu at Teresa’s school. She wants to find out which of the eight items on the menu students buy the most. She decided to ask some people. 

 

a)
Which of these people would it be best for Teresa to ask?
 
 
(A)   all of her friends
(B)   all of the students in her class
(C)   all of the teachers at the school
(D)   all of the students who bought lunch 
(E)   all of the students at the school
 
b) Why are these people the best to ask?
 

 
 
 
 
c) Write a question that Teresa could ask them.

 
 
 
 
 
d)  How could Teresa collect the information?