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The Blitz Ltd.,an oil manufacturer. In their QA plan, It was mentioned that the the pouring temperature is very critical characteristic, thus required monitoring of Cp and Cpk. The specification of pouring temperature is 1400 +/- 10 degrees Celsius. The process engineer performed the inspection and came up with the following summary: mean range = 1.45 d2 value (from the table) = 2.326 ( for n of 5) mean temp = 1400.42 compute for estimated standard deviation compute for Cp and Cpk values

The Blitz Ltd.,an oil manufacturer. In their QA plan, It was mentioned that the the pouring temperature is very critical characteristic, thus required monitoring of Cp and Cpk. The specification of pouring temperature is 1400 +/- 10 degrees Celsius. The process engineer performed the inspection and came up with the following summary: mean range = 1.45 d2 value (from the table) = 2.326 ( for n of 5) mean temp = 1400.42 compute for estimated standard deviation compute for Cp and Cpk values

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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  1. The Blitz Ltd.,an oil manufacturer. In their QA plan, It was mentioned that the the pouring temperature is very critical characteristic, thus required monitoring of Cp and Cpk. The specification of pouring temperature is 1400 +/- 10 degrees Celsius. The process engineer performed the inspection and came up with the following summary:

mean range = 1.45
d2 value (from the table) = 2.326 ( for n of 5)
mean temp = 1400.42

  1. compute for estimated standard deviation
  2. compute for Cp and Cpk values
  3.  
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