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No σ for you!
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11-22-2024, 02:54 PM
Post: #9
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RE: No σ for you!
Also, one of my favorite formulas is one I learned in an excellent DOE class 35 or so years ago, taught by David Doehlert.
The 95% confident limits for a mean of a sample of a population is: Mean +/- t * smplstddev / sqrt(r) r is the number of replicants for the mean calculation t is a factor based on the degrees of freedom for the sample stddev calculation. It is the t statistic It ranges from 12.7 with 1 degree of freedom to 1.96 with infinite degrees or freedom. |
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No σ for you! - naddy - 11-21-2024, 03:51 PM
RE: No σ for you! - KeithB - 11-21-2024, 04:08 PM
RE: No σ for you! - AnnoyedOne - 11-21-2024, 04:48 PM
RE: No σ for you! - KeithB - 11-21-2024, 06:02 PM
RE: No σ for you! - rprosperi - 11-22-2024, 01:07 PM
RE: No σ for you! - Paul Dale - 11-21-2024, 09:41 PM
RE: No σ for you! - Albert Chan - 11-21-2024, 10:03 PM
RE: No σ for you! - KeithB - 11-22-2024, 02:27 PM
RE: No σ for you! - KeithB - 11-22-2024 02:54 PM
RE: No σ for you! - carey - 11-23-2024, 08:09 AM
RE: No σ for you! - Albert Chan - 11-23-2024, 12:38 PM
RE: No σ for you! - HPing - 11-24-2024, 06:48 PM
RE: No σ for you! - Albert Chan - 11-24-2024, 08:59 PM
RE: No σ for you! - Nihotte(lma) - 11-24-2024, 06:00 PM
RE: No σ for you! - naddy - 11-24-2024, 07:13 PM
RE: No σ for you! - dm319 - 11-25-2024, 12:54 PM
RE: No σ for you! - carey - 11-25-2024, 03:58 PM
RE: No σ for you! - EdS2 - 11-25-2024, 04:01 PM
RE: No σ for you! - carey - 11-25-2024, 04:49 PM
RE: No σ for you! - dm319 - 11-26-2024, 08:12 PM
RE: No σ for you! - dm319 - 11-26-2024, 10:58 PM
RE: No σ for you! - carey - 11-27-2024, 12:53 AM
RE: No σ for you! - Albert Chan - 11-27-2024, 01:04 AM
RE: No σ for you! - Albert Chan - 11-27-2024, 01:09 PM
RE: No σ for you! - carey - 11-27-2024, 06:17 PM
RE: No σ for you! - KeithB - 11-25-2024, 05:54 PM
RE: No σ for you! - dm319 - 11-27-2024, 07:56 PM
RE: No σ for you! - carey - 11-27-2024, 08:52 PM
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