The optimum level of inspection minimizes the sum of inspection costs and the cost of passing defectives.
The amount of inspection we choose can range from no inspection at all to inspecting each item numerous times.
Quality of conformance" is concerned with whether a product or service conforms to its specifications.
A c-chart is used for:
fraction defective per unit
number of defects per unit
A control chart used to monitor the number of defects per unit is the:
The range chart (R-chart) is most likely to detect a change in:
A process that exhibits random variability would be judged to be out of control.
The primary purpose of statistical process control is to detect a defective product before it is shipped to a customer.
The best way to assure quality is to use extensive inspection and control charts.
Organizations should work to improve process capability so that quality control efforts can become more ________.