Solved: Consider again the data set of glass sheet
Chapter 9, Problem 9.7.11(choose chapter or problem)
Consider again the data set of glass sheet thicknesses in 9.3.6 with sample sizes n =m =41. Construct a 90% condence interval for the ratio of the variances of the thicknesses of glass sheets produced by the two processes.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer