Ledolter and Hogg (see References) report that, in the
Chapter 9, Problem 9E(choose chapter or problem)
Ledolter and Hogg (see References) report that, in the production of stainless steel pipes, the number of defects per \(100\) feet should be controlled. From 15 randomly selected pipes of length \(100\) feet, the following data on the number of defects were observed:
6 10 8 1 7 9 7 4 5 10 3 4 9 8 5
(a) Compute the control limits of the \(c\) chart and draw this control chart.
(b) Is the process in statistical control?
Equation Transcription:
Text Transcription:
100
c
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