Use the given information to find the number of degrees of freedom, the critical values xand XR and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 98% confidence; n = 22, s=0.23 mg. Click the icon to view the table of Chi-Square critical values. df= (Type a whole number.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Use the given information to find the number of degrees of freedom, the critical values X and X, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample
has been selected from a population with a normal distribution.
Nicotine in menthol cigarettes 98% confidence; n = 22, s= 0.23 mg.
Click the icon to view the table of Chi-Square critical values.
df=
(Type a whole number.)
Transcribed Image Text:Use the given information to find the number of degrees of freedom, the critical values X and X, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 98% confidence; n = 22, s= 0.23 mg. Click the icon to view the table of Chi-Square critical values. df= (Type a whole number.)
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