Native trees

This task is about graphs.
Native-trees-chart.png
This graph has been drawn by a student to show how high some New Zealand native trees can grow. The student has not finished the graph.

Question 2Change answer

a)  Write three things the student could put onto the graph so it would be finished and make more sense.
1.
2.
3.

Question

b)  What type of graph is this?
    • Line graph

    • Bar graph

    • Picture graph

    • Pie graph

Question 2Change answer

c)  Why is it useful to have graphs?