Metadata
- Author: Donald Wheeler
- Full Title:: Avoiding Bias Correction Confusion
- Category:: 🗞️Articles
- URL:: https://www.spcpress.com/pdf/DJW353.pdf
- Finished date:: 2024-03-21
Highlights
Walter Shewhart provided a succinct answer to the question of extrapolation. Paraphrasing, he said: A process will be predictable when, through the use of past experience, we can describe, at least within limits, how the process will behave in the future. If the process has displayed predictable operation in the past, and if there is no evidence of unpredictable operation in the present, then the extrapolation from the data to the underlying process will be credible. (View Highlight)
(Collectively we denote the bias correction factors for the range statistic using a lower-case d with a subscript of 2: (View Highlight)