Quality Management Learning Objectives

Quality Management Learning Objectives - Matt Nicks Quality...

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Matt Nicks Quality Management Learning Objectives 1. Quality- Continuously meets or exceeds customer expectations. 11. Attribute data is categorical data and it follows a binomial distribution. When n is large for attribute data then it will follow a normal distribution. For attribute data we use the p-chart. Variable data is data that can be measured such as weight, time, or size. For variable data we use x-bar and R charts. 10. X-bar charts and R- charts are two separate charts that work together to measure the process output. X-bar charts are used to measure central tendency and R-charts measure range. P-charts are another type of control chart and it measure defectives in the process. The difference between the control charts is x-bar and R-charts measure variable data and p-charts measure attribute data. X-bar, R-charts, and p-charts are all similar. They all have a control limit of 3s for the upper level control and the lower level control. Also, the formulas are very similar. All the formulas consist of an expected value plus or minus a distance multiplied by the width. The formulas used are actually confidence intervals and all the control charts are based on the central limit theorem. 8. Special cause variation is variation that is outside of the process. Common cause variation is inherent in any process. Special cause variation should be eliminated first to allow the process to stabilize. If the process has not stabilized then you attack the common cause variation by changing the process. An example of special cause variation would be a machine malfunction and an example of common cause would be poor design. 3. The quality gurus that have made a significant contribution in the quality revolution are W. Edwards Deming, Joseph M. Juran, Armand Feigenbaum, Philip Crosby, and Kaoru Ishikawa. Statistical process control is the basics of Deming’s work. Deming proved that high quality process is less costly than a low-quality one. He proved that when products are made properly the first time, substantial savings accrue from
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Quality Management Learning Objectives - Matt Nicks Quality...

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