Question
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.
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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