Project Mgmt Question-control limits

Sigchi4life
Category:
Business & Finance
Price: $10 USD

Question description

  A machine shop owner wishes to monitor the diameter of an engine boring operation where the piston bore should be 4.25”.  He obtains 8 samples of 5 and records the following data.  Calculate the lower and upper control limits  for an X-bar chart.
  
 

  Sample #

 

1       2       3     4       5      6      7     8

 

5.1   4.7   4.3   4.6   4.6   4.8   4.9   4.3

 

4.4   4.5   4.6   4.4   4.3   4.3   5.1   4.8 

 

4.7   4.9   4.4     5    4.7   4.8   4.5     5

 

4.9   5.1   4.6   4.9     5      5    4.6   4.7 

 

4.9   5.2   4.9   4.7    4.7   4.3  4.7   5.2


 
 
 




Tutor Answer

(Top Tutor) Daniel C.
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School: University of Maryland
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