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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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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