Answer :

Question: The number of animal births at a local zoo, displayed in five year intervals. 
Answer: Histogram

Question: A comparison of the top songs by two schools.
Answer: double bar graph

Question: Top four ice-cream flavors chosen by the students, expressed in fractions.
Answer: Circle graph

Question: A change in the heart rates of two people over a period of an hour. 
Answer: Multiple line graph

Other Questions