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For a sample of nine automobiles, the mileage (in 1000s of miles) at which the original front brake pads were worn to 10% of their original thickness was measured, as was the mileage at which the original rear brake pads were wom to 10% of their original thickness. The results are given in the following table. Automobile Rear 41.2 Front 32.8 2 26.6 35.2 3 35.6 46.1 4 36.4 46.0 5 29.2 39.9 40.9 51.7 40.9 51.6 34.8 46.1 36.6 47.3 Find a 95% confidence interval for the difference in mean lifetime between the front and rear brake pads.

For a sample of nine automobiles, the mileage (in 1000s of miles) at which the original front brake pads were worn to 10% of their original thickness was measured, as was the mileage at which the original rear brake pads were wom to 10% of their original thickness. The results are given in the following table. Automobile Rear 41.2 Front 32.8 2 26.6 35.2 3 35.6 46.1 4 36.4 46.0 5 29.2 39.9 40.9 51.7 40.9 51.6 34.8 46.1 36.6 47.3 Find a 95% confidence interval for the difference in mean lifetime between the front and rear brake pads.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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For a sample of nine automobiles, the mileage (in 1000s of miles) at which the original front brake pads were worn to 10% of their original thickness was measured, as was the mileage at which the original rear brake pads were wom to 10% of their original thickness. The results are given in the following table. Automobile Rear 41.2 Front 32.8 2 26.6 35.2 3 35.6 46.1 4 36.4 46.0 5 29.2 39.9 40.9 51.7 40.9 51.6 34.8 46.1 36.6 47.3 Find a 95% confidence interval for the difference in mean lifetime between the front and rear brake pads.
Transcribed Image Text:For a sample of nine automobiles, the mileage (in 1000s of miles) at which the original front brake pads were worn to 10% of their original thickness was measured, as was the mileage at which the original rear brake pads were wom to 10% of their original thickness. The results are given in the following table. Automobile Rear 41.2 Front 32.8 2 26.6 35.2 3 35.6 46.1 4 36.4 46.0 5 29.2 39.9 40.9 51.7 40.9 51.6 34.8 46.1 36.6 47.3 Find a 95% confidence interval for the difference in mean lifetime between the front and rear brake pads.
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