b. Construct a 98% confidence interval estimate of the difference between the mean tar content of unfiltered king-size cigarettes and the mean tar content of filtere 100-mm cigarettes. Does the result suggest that 100-mm filtered cigarettes have less tar than unfiltered king-size cigarettes? The 98% confidence interval estimate is <µ1 - H2
b. Construct a 98% confidence interval estimate of the difference between the mean tar content of unfiltered king-size cigarettes and the mean tar content of filtere 100-mm cigarettes. Does the result suggest that 100-mm filtered cigarettes have less tar than unfiltered king-size cigarettes? The 98% confidence interval estimate is <µ1 - H2
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:KING TAR
100 TAR
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Transcribed Image Text:State the conclusion for the test.
V the null hypothesis. There
sufficient evidence to support the claim that unfiltered king-size cigarettes have a mean tar content greater than that
of filtered 100-mm cigarettes. This suggests that cigarette filters are
V in reducing tar.
b. Construct a 98% confidence interval estimate of the difference between the mean tar content of unfiltered king-size cigarettes and the mean tar content of filtered
100-mm cigarettes. Does the result suggest that 100-mm filtered cigarettes have less tar than unfiltered king-size cigarettes?
The 98% confidence interval estimate is < H1 - H2 <
(Round to one decimal place as needed.)
The result
V that 100-mm filtered cigarettes have less tar than unfiltered king-size cigarettes, since the confidence interval
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