Home » Certification Exams Questions » Find the control limits for the Range Chart

For sum of sub group ranges to be at 369 and the number of subgroups is 25 with each subgroup having 5 samples, the control limits for the Range Chart are

OPTIONS

  • 0, 25
  • 0, 31
  • 11, 25
  • 11, 31

ANSWER

0, 31

EXPLANATION

Using Control Chart constants, the control limits for the Range Chart are 0, 31.

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