Sun hats

This task ask you to interpret a strip graph.

The colour of the pōtae of the students in Room 7 is shown on the strip graph below.


      Red                    Green                          Yellow                                 Blue                   Black 

 

a) What is the most common pōtae colour? __________________
 
b) What is the least common pōtae colour? __________________
 
c)
Finish the sentence:
 
Twice as many students have yellow pōtae as have __________________ pōtae.