In a test lab, two different Rockwell hardness (Rc) testers are operated. One Rockwell hardness tester has
Question:
Both of the hardness testers are calibrated on a daily basis. The data listed below is from the C scale for the first 10 days of February:
For the Dial Indicator: X-bar = 45.9 R-bar = 0.16
For the Digital Indicator: X-bar = 46.1 R-bar = 0.34
Find the following for both the dial and the digital indicator
(1) The UCL for X,
(2) The LCL for X, and
(3) The UCL for R. Interpret your results.
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Step by Step Answer:
1 Xbar Control Chart Central Line CL X double bar figure you calculated Upper Control Limit ...View the full answer
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Related Book For 
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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