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[DOC File]Six Sigma - DAU Home
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A large standard deviation indicates that the data points are far from the mean and a small standard deviation indicates that they are clustered closely around the mean. For example, each of the three data sets {0, 0, 14, 14}, {0, 6, 8, 14} and {6, 6, 8, 8} has a mean of 7.
6 sigma standard deviation percentages

[DOC File]Lean Six Sigma - Glossary of Terms
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Six Sigma is a statistical term relating to “quality levels per opportunity.” Sigma is a term denoting one standard deviation. When you are looking at a characteristic of a population or sample size that characteristic will demonstrate a distribution (often a normal distribution).
how to calculate 3 sigma

Why Is It Called Six Sigma? | Bizfluent
Statistically, LOD = 3 STD (Standard Deviation) or as it is called 3Sigma. You have to be careful about LOD detection calculations. It is the calculation of Sigma (STD) that is a bit tricky. The Sigma (STD.) is not a constant; it depends on time, %Pb, substrate, etc.
sigma vs standard deviation

[DOC File]The following is an excerpt from Chapter 3 of The Six ...
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Mar 01, 2012 · The mean is 50. The standard deviation is 6. b. The distribution of sample means based on samples of n = 36 selected from a . population with µ = 50 and σ = 6. The shape is approximately normal, due to the central limit theorem, regardless of the shape of the original distribution. The mean is approximately 50. The stdev is 6/sqrt(36) = 6/6 ...
3 sigma standard deviation excel

[DOC File]Standard deviation - 清華大學物理學系
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Construct a 95% confidence interval estimate of the standard deviation of weights for all such bats. Assume that a simple random sample has been selected from a population that has a normal distribution. 1.7 1.6 1.5 2.0 2.3 1.6 1.6 1.8 1.5 1.7 2.2 1.4 1.6 1.6 1.6. 10
2 sigma standard deviation

[DOC File]Class notes - San Diego Mesa College
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It stipulated that a "capable" process was one that had a process standard deviation of no more than one-sixth of the total allowable spread, where Six Sigma requires the process standard deviation be no more than one-twelfth of the total allowable spread. These differences are …
what does standard deviation tell you

[DOC File]JustAnswer
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The standard deviation has a natural graphical interpretation: the second derivative of the normal density function vanishes at mu + sigma and at mu - sigma. That is, the inflection points of the normal density graph occur one standard deviation from the mean.
what is 5 sigma

[DOC File]Limit of Detection (LOD)
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Sigma –a measure of the variation around the average of any process. Also known as 1 standard deviation, 1s represents 34.134% of your data points. Six Sigma – A process quality measure indicating that there are 6 standard deviations between the process average and EACH (lower & upper) specification limit.
what is 6 sigma standard

Standard deviation and 6 sigma