A study shows that a decrease in the price of gasoline per gallon leads to an increase in number of gallons sold. What is the relationship between the variables and what is the reason for this relationship?
A
There is a positive correlation because as one variable increases, the other variable increases.
The relationship is causal because as the gasoline price decreases, more gallons of gasoline are purchased.
B
There is a negative correlation because as one variable decreases, the other variable increases.
The relationship is causal because as the gasoline price decreases, more gallons of gasoline are purchased.
С
There is a positive correlation because as one variable increases, the other variable increases.
The relationship is not causal because as the price changes in gasoline, there is no impact on the number of gallons purchased.
D
There is a negative correlation because as one variable decreases, the other variable increases.
The relationship is not causal because as the price changes in gasoline, there is no impact on the number of gallons purchased.