Class 10 Maths · Statistics · NCERT Exercise 13.3 · Question 8
The mileage (km per litre) of 50 cars of the same model was tested by a manufacturer and details are tabulated as given below. Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 km/litre. Do you agree with this claim?
| Mileage (km per litre) | Number of cars |
|---|---|
| 10 - 12 | 7 |
| 12 - 14 | 12 |
| 14 - 16 | 18 |
| 16 - 18 | 13 |
Answer
Mean mileage km/litre. Since , the manufacturer's claim of 16 km/litre is not justified.
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