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Category > Business & Finance Posted 28 May 2017 My Price 7.00

A small manufacturer of brake linings closely monitors the incoming quality

 

A small manufacturer of brake linings closely monitors the incoming quality of a specific grade of graphite. This company receives the graphite in shipments of 20 pallets, with each pallet containing 40 fifty-pound bags of graphite. An inspector takes a small amount of graphite from four randomly selected bags from each pallet and performs a standard ash test, which burns off all the "volatiles" in the graphite. A low ash content indicates a high carbon content in the graphite.

 

able 5.6 lists the ash contents in the subgroups in the last shipment inspected. Use all 20 subgroups as a base period. a. Calculate the appropriate control limits for an it-chart and plot the data. Comment on your results. b. Calculate the appropriate control limits for an 7-chart based on 12 and plot the data. Comment on your results. c. What did you assume to construct these control limits? Given the informa-tion in the base period, how comfortable are you with these assumptions?

 

 

 

 

 
 

Answers

Alpha Geek
(8)
Status NEW Posted 28 May 2017 06:05 AM My Price 7.00

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file 1495954321-Answer.docx preview (264 words )
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