For the following problem suppose we have collection of cars we measure their weights and fuel efficiencies, and generate the following graph of the data
_ Source:http:Illib stat cmuedu/DASL/Datafiles/carmpgdat html) What can we conclude from this data? O The strong association proves that more weight causes lower mpg rating
O Higher vehicle weights are strongly associated with lower MPG rates but this data set does not indicate that higher vehicle weights cause ower MPG
O It makes sense that more gas is required to move heavier vehicles heavier cars cause lower MPG
O This data shows that to lower MPG and increase fuel efficiency, engineers need to design lightweight vehicles.



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