For a strong correlation, people often assume that change in one quantity causes change in the second quantity. This is not always true. For the following situation, predict the type of correlation you might find. Do you think that change in the first quantity causes change in the second quantity?
In the case of a car's fuel consumption and its weight, it is plausible to assume that there is a correlation between the two quantities. Typically, as the weight of a car increases, its fuel consumption tends to increase as well. This is because heavier cars generally require more energy to move, resulting in higher fuel consumption. Therefore, it is likely that there is a positive correlation between a car's fuel consumption and its weight. However, it is important to note that correlation does not imply causation. While the weight of the car may have an impact on its fuel consumption, other factors such as engine efficiency, driving conditions, and maintenance can also influence fuel consumption.
