Finding Critical Values and Confidence Intervals. Use the

Chapter 4, Problem 8BSC

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Finding Critical Values and Confidence Intervals.? ?Use the given information to find the number of degrees of freedom, the critical values the confidence interval estimate of? ?. ?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. Earthquake Magnitudes? 95% confidence; ?n =? 50, ?s? = 0.587.

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