Confidence Interval for Variance using Chi-Squared Distribution - YouTube
Chapter 9
SOLUTION: Find the 95% confidence interval for the standard deviation of the lengths of pipes if a sample of 11 pipes has a standard deviation of 12 inches. A. 70.3 < < 443.5 B. 13.0
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To find the 90% confidence interval for the population variance when n = 15 and the population is known to be normally distributed, what values of chi- squared would you use? | Socratic