Design specifications require that a key dimension on a product measures 100 +/- 9 ounces. A process being considered for producing this product has a standard deviation of 3 ounces. Calculate the initial process capability and then recalculate when the process average shifts to 91. What can you say about the capability of the initial and the shifted process?

Design specifications require that a key dimension on a product measures 100 +/- 9 ounces. A process being considered for producing this product has a standard deviation of 3 ounces. Calculate the initial process capability and then recalculate when the process average shifts to 91. What can you say about the capability of the initial and the shifted process?

 

Solution

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