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Column: Technical Aids: Using Nested Designs: II. Confidence Limits for Standard Deviations

Summary: Whenever we know how to do it, we always say that an estimate of the precision of what we are estimating is very important. Here's how we can calculate confidence limits for true values of standard deviations estimated from nested designs. We start with the lowest stage of the nested design and work our way up.

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  • Topics: Design of Experiments, Statistics
  • Keywords: Confidence limits,Estimation,Nested experiments,Analysis of variance (ANOVA),Statistics,Variation,Standard deviation
  • Author: Nelson, Lloyd S.
  • Journal: Journal of Quality Technology