The representation of the data in the form of dots is called a scatter plot. The gas mileage decreases with an increase in car weight as seen in the plot. Thus, option C is correct.
What is a scatter plot?
The image of the scatter plot is attached below.
A scatter plot is a graphical representation of the variables and the data in the form of the dots on the graph. The position of the dots indicates their value on the vertical and the horizontal axis.
As seen from the graph the increase in the car weight indicates a decrease in the miles per gallon or the mileage of the car. When moving from left to right in the graph the mileage decreases.
Therefore, option C. with an increase in the car weight the gas mileage decreased.
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