Finding average velocity from a velocity-time graph

[tascja]

Homework Statement

Find the average velocity from the velocity-time graph:
V / t
3 / 0
3 / 2
2 / 2
2 / 3
1 / 3
1 / 4
0 / 4

Homework Equations

The Attempt at a Solution

Im not sure if i can find the average velocity from this graph or if i have to make a position-time graph??

 

[rl.bhat]

Draw velocity-time graph and find the area of the graph.
That gives you the total displacement. Total time known. From that find the average velocity.