The fuel consumption of a new model of cars is being tested. In one trial, 50 cars chosen at random were driven under the identical conditions and…
BIT Basic Statistics · 2080 · Solved Question with Answer
The fuel consumption of a new model of cars is being tested. In one trial, 50 cars chosen at random were driven under the identical conditions and the distances, x km. covered on 1 liter of petrol were recorded. The results gave the following totals: \(\sum x = 525\), \(\sum x^2 = 5625\). Calculate the 99% confidence interval for the mean petrol consumption, in km per liter. Interpret the result.