Abstract
Several process capability indices have been proposed to provide a unitless measure to detect whether a process is capable of producing items satisfying the quality requirement preset by the product designer or consumer. In this paper, we develop a procedure of entire product capability indices for measuring a product capability with many quality characteristics. Also, we provide a simple and convenient minimum value of the estimator of PCI, for which process is capable at least 100(1-α)% of the time, and justifying whether the process's potentiality and performance reaching consumer's expected specification.
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