QDM Exam #2 Word Scramble
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Question | Answer |
Statistical Quality Control (SQC) | The general category of statistical tools ued to evaluate organizational quality. |
Descriptive Statistics | Statistics used to described quality characteristics and relationships. |
Statistical Process Control (SPC) | A statistical tool that involves inspecting a random sample of the output from a process and deciding whether the process is producing products with characteristics that fall within a predetermined range. |
Acceptance Sampling | The process of randomly inspecting a sample of goods and deciding whether to accept the entire lot based on the results. |
Common (Random) Causes of Variation | Random causes that cannot be identified. |
Assignable Causes of Variation | Causes that can be identified and eliminated. |
Mean (Average) | A statistic that measures the central tendency of a set of data. |
Range | The difference between the largest and smallest observations in a set of data. |
Standard Deviation | A statistic that measures the amount of data dispersion around the mean. |
Control Chart | A graph that shows whether a sample of data falls within the common or normal range of variation. |
Out of Control | The situation in which a plot of data falls outside preset control limits. |
Variable | A product characteristic that can be measured and has a continuum of values (e.g. height, weight, or volume) |
Attribute | A product characteristic that has a discrete value and can be counted. |
P-Chart | A control chart that monitors the proportion of defects in a sample. |
Process Capability | The ability of a production process to meet or exceed preset specifications. |
Product Specifications | Preset ranges of acceptable quality characteristics. |
Process Capability Index | An index used to measure process capability. |
Six Sigma Quality | A high level of quality associated with approximately 3.4 defective parts per million. |
Sampling Plan | A plan for acceptance sampling that precisely specifies the parameters of the sampling process and the acceptance/rejection criteria. |
Operating Characteristic Curve (OC Curve) | A graph that shows the probability or chance of accepting a lot given various proportions of defects in the lot. |
Acceptable Quality Level (AQL) | The small percentage of defects that consumers are willing to accept. |
Lot tolerance percent defective (LTPD) | The upper limit of the percentage of defective items consumers are willing to tolerate. |
Consumer's Risk | The chance of accepting a lot that contains a greater number of defects than the LTPD limit. |
Producer's Risk | The chance that a lot containing an acceptable quality level will be rejected. |
Average Outgoing Quality | The expected proportion of defective items that will be passed to the customer under the sampling plan. |
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