6. Automobile magazine provides information on new car models for the Malaysian market in 2022, including details on price, mileage, rating, engine size, body size and fuel consumption. A simple random sample of 35 new models yielded the following data on fuel consumption in litres. 25.0 16.9 17.2 16.9 18.0 20.0 19.3 12.5 23.1 15.3 25.5 24.0 22.2 20.0 26.4 17.5 20.0 18.5 26.0 14.5 20.0 19.8 14.5 18.5 18.1 15.9 21.1 16.8 17.5 17.0 21.0 13.2 14.1 16.4 23.0 a) Find a point estimate for the mean fuel consumption of all new car models. b) Interpret your answer in 6(a)

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