Question
Use the given information to find the number of degrees of freedom, the critical values xL2...
Use
the given information to find the number of degrees of freedom, the
critical values xL2 and xR2, and the confidence interval estimate
of the population standard deviation. 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=22, s=0.25
mg.
Homework Answers
Answer #1
confidence interval for standard deviation
is, (019234 mg, 0.35727 mg)
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