Calculate R-Bar

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  1. Calculate R-Bar?
  2. Upper control limit for the range?
  3. Upper control limit for the individuals?
  4. Lower control limit for the individuals?
  5. What is the chart telling you?
  6. Is there adequate discrimination?

 

Data:Hours
PeriodCycle Time
145
233
344
430
551
647
739
834
969
1043
1129
1238
1345
1449
1573
1638
1750
1840
1957
2036
2131
2246
2340
2451
2548
2637
2742
2850
  • 13 years ago
  • 5
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