Explain, using support from a hypothesis test, if the average fuel consumption differ for cars using

regular unleaded petrol and cars using premium unleaded petrol. Perform hypothesis testing at

the 5% significance level, and discuss the result. Assume the data were taken from different cars

dealers for cars fuel consumption using regular unleaded petrol and cars using premium unleaded

petrol.

Be sure to include the following in your answer:

? the null and alternative hypotheses

? the test statistic and its null distribution

? the p-value

? your conclusion

Research Question: Is there a difference between the average fuel consumption for cars

using regular unleaded petrol and cars using premium unleaded petrol?

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