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A small electronic device is designed to emit a timing signal of 200.0 milliseconds (ms) duration.  This device is specified as 201.0 + 10.0. In the production of this device, subgroups of six units are taken at periodic intervals and tested.  Xbar and  R  are calculated for each subgroup and used to plot control charts.  The results of inspection of 25 subgroups,  ΣX = 5,000.00  and  ΣR = 277.00.  Can the process meet specifications if it is re-centered at 350 ?

A small electronic device is designed to emit a timing signal of 200.0 milliseconds (ms) duration.  This device is specified as 201.0 + 10.0. In the production of this device, subgroups of six units are taken at periodic intervals and tested.  Xbar and  R  are calculated for each subgroup and used to plot control charts.  The results of inspection of 25 subgroups,  ΣX = 5,000.00  and  ΣR = 277.00.  Can the process meet specifications if it is re-centered at 350 ?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A small electronic device is designed to emit a timing signal of 200.0 milliseconds (ms) duration.  This device is specified as 201.0 + 10.0. In the production of this device, subgroups of six units are taken at periodic intervals and tested.  Xbar and  R  are calculated for each subgroup and used to plot control charts.  The results of inspection of 25 subgroups,  ΣX = 5,000.00  and  ΣR = 277.00. 

  • Can the process meet specifications if it is re-centered at 350 ?
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