46. Two analysts took repeated readings on the hardness of city water. Assuming that the readings of
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46. Two analysts took repeated readings on the hardness of city water. Assuming that the readings of analyst i constitute a sample from a normal population having variance σ2 i , i = 1, 2, compute a 95 percent two-sided confidence interval for σ2 1 /σ2 2 when the data are as follows:
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Related Book For 
Introduction To Probability And Statistics For Engineers And Scientists
ISBN: 9780125980579
3rd Edition
Authors: Sheldon M. Ross
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