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18 Cards in this Set
- Front
- Back
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Quality Control
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is to ensure that a good or service conforms to specifications and meets customer requirements by monitoring and measuring processes and making any necessary adjustments to maintain a specified level of performance
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Quality at the source
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means the people responsible for the work control the quality of their processes by identifying and correcting any defects or errors when they first are recognized or occur
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Acceptance sampling
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is the process of making decisions on whether to accept or reject a froup of items (formally called a lot) purchased from some external supplier based on specified quality characteristics
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Producer's risk
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probability of rejecting a lot of good quality is commonly referred
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Consumer's Risk
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probability of accepting a lot of poor quality
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Actionable
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means that responses are tied directly to key business processes, so that what needs to be corrected or improved is clear and information can be translated into cost/revenue implicatioons to support good management decisions
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Statistical Process Control
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is a methodology for monitoring quality of manufacturing and service delivery processes to help identify and eliminate unwanted causes of variation
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Common Cause Variation
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is the result of complex interactions of variations in materials, tools, machines, information, workers, and the enviornment
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Stable System
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a system goverened only by common causes
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Special (or assignable) cause Variation
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arises from external sources that are not inherent in the process, appear sporadically, and disrupt the random pattern of common causes
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Continuous Metric
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is one that is calculated from data that are measured as the degree of conformance to a continuous scale of measurement
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Discrete Metric
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is one that is calculated from data that are counted
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In Control
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if no special causes affect the output of a process, we say that the process is in control
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Out of Control
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when special causes are present, the process is said to be out of control
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Control Chart
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is simply a run chart to which two horizontal lines
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Control Limites
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A control chart is simply a run chart to which two horizontal lines, called control limits, are added; the upper control limit (UCL) and lower control limit (LCL)
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Process Capability
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refers to the natural variation in a process that results from common causes
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Process Capability Study
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is a carefully planned study designed to yield specific information about the performance of a process under specified operating conditions
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