Which statement(s) is true, if a sample range which is lower than the lower control limit on a R-chart in which lower limit is zero is an indication that no cause of variation is presentshould be ignored unless another point is outside that limitshould be investigated because an assignable cause of variation might be presentshould be ignored because it signifies better than average quality

The correct answer is (3) should be investigated because an assignable cause of variation might be…

Answered: Which statement(s) is true, if a sample…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Which statement(s) is true, if a sample range which is lower than the lower control limit on a R-chart in which lower limit is zero

is an indication that no cause of variation is present
should be ignored unless another point is outside that limit
should be investigated because an assignable cause of variation might be present
should be ignored because it signifies better than average quality

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