What is the process capability? index

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Reference no: EM131282833

Aspen Plastics produces plastic bottles to customer order. The quality inspector randomly selects four bottles from the bottle machine and measures the outside diameter of the bottle? neck, a critical quality dimension that determines whether the bottle cap will fit properly. The dimensions? (in.) from the last six samples are. Suppose that the specification for the bottle neck diameter is 0.600±0.0500.050 in. and the population standard deviation is 0.0140.014 in. What is the process capability? index? Bottle Sample 1 2 3 4 1 0.609 0.593 0.61 0.581 2 0.59 0.59 0.599 0.624 3 0.586 0.577 0.619 0.613 4 0.609 0.624 0.592 0.605 5 0.599 0.576 0.607 0.614 6 0.608 0.619 0.622 0.591

Reference no: EM131282833

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