3. JJ works for a large automobile plant. For one of her assignments, she will need to investigate a claimed, which was discussed in meeting with her manager, and present the results found. The claimed is that heavier autos will give lesser gasoline mileage and lighter autos will give higher gasoline mileage. She will be working at the manufacturing area with cars that could weight from 2500 to 6000 lbs. How should she go about collecting data needed to prove or disprove the claim? How would she go about using the collected data to determine if there is a linear relationship between the gasoline mileage and weight of the car