Every hour a quality control inspector measures the outside diameter of five parts. If the average of the means is 3 and the averagerange is 1.4, what is the upper control limit for the X-bar chart for this process?a. 3.82b. 3.32C. -4.92d. 0O e. 4.12

SOLUTION: X BAR = 3 R BAR = 1.4 A2 value corresponding to N =5=0.58

Answered: Every hour a quality control inspector…

Practical Management Science

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ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

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Every hour a quality control inspector measures the outside diameter of five parts. If the average of the means is 3 and the average range is 1.4, what is the upper control limit for the X-bar chart for this process?