SCENARIO 19-4 She Also Decides That Lower and Upper

question 21

Multiple Choice

SCENARIO 19-4 She also decides that lower and upper specification limit for the critical-to-quality variable should be
10 and 30 seconds, respectively.
-Referring to Scenario 19-4, suppose the sample mean and range data were based on 6
Observations per hour instead of 5.How would this change affect the lower and upper control
Limits of an R chart?

• A) LCL would increase; UCL would decrease.
• B) LCL would remain the same; UCL would decrease.
• C) Both LCL and UCL would remain the same.
• D) LCL would decrease; UCL would increase.

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