capacity approximating 370,000 vehicles, with a passenger car/pickup truck split approximating 2:1 (Yahoo Finance, 2004). The production breakdown for NUMMI in 2003 was as follows (Hoover's Inc., 2004):
Toyota Tacoma pickup trucks: 164,000
The data used in the analysis reflects faults per 1,000 in assembly operations at the NUMMI facility in Fremont. The data included separate sets of quality assurance measures related to vehicle assembly plant for each of the approaches to quality assurance (which covered operating procedures, inspection protocols, and testing processes). The measures provided included 30 data points for each approach to quality assurance. The data were collected and measured under compatible conditions for each of the three approaches to quality assurance investigated. One of the three approaches to quality assurance was the quality assurance protocol in place at the Fremont manufacturing facility, while each of the alternative approaches to quality assurance reflect
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