P2god1:
sum
SmokeyBrown:
The "dependent variable" of an experiment is the result of the change. The change, or the "independent variable" in this case is the amount of panel covered. The result of the change is the speed of the solar powered car. So, which answer choice best represents this?
P2god1:
b
SmokeyBrown:
It's true that you calculate the average from the trials using the dependent variable, but the averages are not themselves the dependent variable. Think about what the numbers are representing. Is it the size of the solar panel? The amount of solar panel covered? Or the speed in centimeters per second? Only one of these is the "dependent variable"
P2god1:
not b or d?
SmokeyBrown:
I think it would be d actually, since the amount of panel covered (the independent variable) is supposed to change the speed of the car (the dependent variable)
P2god1:
ok then the speed changes per second correct
SmokeyBrown:
Yup, that's right
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