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Fuel consumption of the car

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Reference no: EM132515191

The BMWP car manufacturer stated that each liter of fuel consumed by its car could on average cover a distance of 13 km. To test this, the R / D division did testing by selecting a random sample of 7 cars with the following results:

Sample Trial results (km / l)

1 12.5
2 12
3 12.5
4 10.5
5 11.0
6 11.0
7 12.5

Test with alpha by 10%, whether you can conclude that the fuel consumption of the car is more wasteful than stated by the manufacturer.
( use alpha = 10% ).

Using the manual formula

Reference no: EM132515191

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