Home » Certification Exams Questions » Find the control limits for the Averages chart

For sum of sub group averages at 2487, number of subgroups is 25 and each subgroup having 5 samples, the control limits for the Averages chart are

OPTIONS

  • 91, 108
  • 81, 121
  • 0, 100
  • 70, 131

ANSWER

91, 108

EXPLANATION

Using Control Chart constants, the control limits for the Averages chart are 91, 108.

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