Easy Maths question

[Kosova]

Hi guys i need to plot a graph with this secondary data for the cars.
The hypotheses is that the honda car decreases in value much quicker.
Theres one anonamlie, so what kind of graph do i draw?
Can somebody draw it and post here or just link me to a turtorial
http://img585.imageshack.us/img585/9251/img00091201204152313.jpg (http://imageshack.us/photo/my-images/585/img00091201204152313.jpg/)

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[Hazzah]

Why exactly does this need to be graphed? I don't see any benefit from graphing nor do I see what to graph. You could make a scatter plot with two sets of data, one for Toyota, the other for Honda, however there is no benefit from this.

Was there a certain formula you were instructed to use? Some like:

Used price= amount of depreciation each year(Number of years) + New Price Although that would be odd because that assumes all cars depreciate at the same amount.

It just feels like there's something missing.

[steveej]

take the average price of each of the different types of cars in the different year categories and graph that.

[masterBB]

price
|
| h t
| h t h t h
| h t h t h t
| h t h t h t
| h t h t h t
|___________
0-2 2-4 4-6
years

h= honda
t= toyota