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The mileage (km per litre) of \(50\) cars of the same model was tested by a manufacturer and details are tabulated as given below :
| Mileage (km/I) | \(10-12\) | \(12-14\) | \(14-16\) | \(16-18\) |
| Number of cars | \(7\) | \(12\) | \(18\) | \(13\) |
Find the mean mileage.
The manufacturer claimed that the mileage of the model was \(16\) km/litre. Do you agree with this claim?
Answer:
The mean is .
The manufacturer's claim is .
[Note: Enter the answer in to two decimal number.]
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