Use the given information to find the number of degrees
of freedom, the critical values χ2L and χ2R, and the
confidence interval estimate of σ.
It is reasonable to assume that a simple random sample has been
selected from a population with a normal distribution.Nicotine in
menthol cigarettes 95% confidence;n=24, s=0.27 mg.
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Part 1
df=enter your response here
(Type a whole number.)
Part 2
χ2L=enter your response here
(Round to three decimal places as needed.)
Part 3
χ2R=enter your response here
(Round to three decimal places as needed.)
Part 4
The confidence interval estimate of
σ
is
enter your response here
mg<σ<enter your response here
mg.
(Round to two decimal places as needed.)
Use the given information to find the number of degrees of freedom, the critical values χ2L and χ2R, and the confidenc
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Use the given information to find the number of degrees of freedom, the critical values χ2L and χ2R, and the confidenc
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