Question: Parking charge of a vehicle is a function of number of hours parked. Which of the following is true for the data?
A ) Number of hours parked is a dependent variable
B ) Insufficient data
C ) Parking charge is an independent variable
D ) Parking charge is a dependent variable
Steps to derive
1 Independent variable is the input and the dependent variable is the output of the situation.
2 From the given function, independent variable is the number of hours parked and the dependent variable is parking charge for the vehicle.
3 Among the choices, "parking charge is a dependent variable" is true for the data.
Hence the right answer is Option D
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