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9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below:

9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below:

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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9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below: 15.6 16.2 22.5 20.5 16.4 19.4 19.6 17.9 12.7 14.9 Assuming emissions are normally distributed, create a 95% confidence in- terval for the average emissions for this vehicle. Interpret your confidence interval in context. Round your answer to the nearest tenth. 9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below: 15.6 16.2 22.5 20.5 16.4 19.4 19.6 17.9 12.7 14.9 Assuming emissions are normally distributed, create a 95% confidence in- terval for the average emissions for this vehicle. Interpret your confidence interval in context. Round your answer to the nearest tenth.
Transcribed Image Text:9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below: 15.6 16.2 22.5 20.5 16.4 19.4 19.6 17.9 12.7 14.9 Assuming emissions are normally distributed, create a 95% confidence in- terval for the average emissions for this vehicle. Interpret your confidence interval in context. Round your answer to the nearest tenth. 9. A major car manufacturer wants to estimate the average emissions for a certain type of vehicle. Ten engines are tested and the emission level of each is determined. The data are given below: 15.6 16.2 22.5 20.5 16.4 19.4 19.6 17.9 12.7 14.9 Assuming emissions are normally distributed, create a 95% confidence in- terval for the average emissions for this vehicle. Interpret your confidence interval in context. Round your answer to the nearest tenth.
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