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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