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Name: n a study of exhaust emissions from school buses, the pollution intake
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Description: n a study of exhaust emissions from school buses, the pollution intake by passengers was determined for a sample of nine school buses used in the a school district. The pollution intake is the amount of exhaust emissions, in grams per person, that wo

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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n a study of exhaust emissions from school buses, the pollution intake by passengers was determined for a sample of nine school buses used in the a school district. The pollution intake is the amount of exhaust emissions, in grams per person, that would be breathed in while travelling on the bus during its usual 10-mile trip on congested highways. Here are the amounts for the nine buses when driven with the windows open:

1.15	0.33	0.40	0.33	1.35	0.38	0.25	0.40	0.35

The data can be accessed HERE.
Find a 90% confidence interval to estimate the population mean pollution intake μμ by completing the following.

The sample mean x¯=x¯=
The standard error SE=SE=
The tt-critical value t∗=t∗=
Lower end of the confidence interval L=L=
Upper end of the confidence interval U=U=
What is the margin of error? ME=ME=

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