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
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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KING TAR
100 TAR
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Transcribed Image Text:KING TAR 100 TAR 18 5 26 17 29 18 19 12 22 12 26 15 22 16 25 16 19 14 22 8 21 13 22 12 21 14 22 16 18 2 11 15 25 16 21 12 20 13 24 14 21 17 20 15 24 6 19 18 22 16
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
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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