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 Mileage(kmL−1)10−1212−1414−1616−18Number of cars7121813 Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 kmL−1. Do you agree with this claim?

Question 8 The mileage (km per litre) of 50 cars of the same model was

1.	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 Mileage(kmL−1)10−1212−1414−1616−18Number of cars7121813 Find the mean mileage. The manufacturer claimed that the mileage of the model was 16 kmL−1. Do you agree with this claim?
Answer» 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 $\begin{matrix} M i l e a g e (k m L^{- 1}) & 10 - 12 & 12 - 14 & 14 - 16 & 16 - 18 N u m b e r o f c a r s & 7 & 12 & 18 & 13 \end{matrix}$ Find the mean mileage. The manufacturer claimed that the mileage of the model was $16 k m L^{- 1} .$ Do you agree with this claim?