Create 2 graphs (using Logger Pro, or whatever program you like):
Current (I) vs. Resistance (R)
Voltage (V) vs. Resistance (R)
Look at the curves. Do they make sense? Start thinking about them.
Also, if you have time: calculate the experimental resistance values for each trial. Do this by:
R = V/I
The answers will be your 4th column in your data table.
Hooray!
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