Gasoline manufacturers add different additives to their gaso

Gasoline manufacturers add different additives to their gasolines. These additives may increase the gasoline\'s octane or act as corrosion inhibitors or lubricants. Most importantly, due to these additives, different gas brand names may deliver very different gas mileage. You are interested in testing the gas mileage of two reputable brand names - Shell and Exxon.

1. How do you propose to conduct the experiment and the test? Explain the details.

2. It has been argued that driver\'s driving habits also greatly influence gas mileage. How do you incorporate this in the experiment and the test? Explain the details.

Solution

1) Samples from both Shell and Exxon must be taken and then check whether there is an increase in the octane or not.

Then using the standard statistical tests like z test or t test to compare the average mileage of the gaoline manufactured by these two.

2) Since that driver\'s driving habits also greatly influence gas mileage.So same drivers must be given the gasolin e manufactured by the two and thrn compare the average mileage