?Finding Critical Values and Confidence Intervals. In Exercises 5–8, use the given
Chapter 7, Problem 5(choose chapter or problem)
Finding Critical Values and Confidence Intervals. In Exercises 5–8, use the given information to find the number of degrees of freedom, the critical values \(\chi_{L}^{2}\) and \(\chi_{R}^{2}\), and the confidence interval estimate of \(\boldsymbol{\sigma}\). The samples are from Appendix B and 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 = 25, s = 0.24 mg.
Text Transcription:
\chi_L^2
\chi_R^2
\sigma
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