Evaluate the reject percentage

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Reference no: EM131142782

Your boss has asked you to evaluate the reject percentage for the past year on one of the production lines. Use the following data to construct a run chart. Does there appear to be a pattern in the change in reject rate over the year?

Month Reject%

Jan 3.7

Feb 3.3

Mar 3.1

Apr 3.5

May 3.3

June 2.7

Jul 3.0

Aug 2.3

Sep 2.5

Oct 2.2

Nov 1.6

Dec 1.7

Reference no: EM131142782

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