Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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What is a P-chart used for?
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- Explain the use of p-charts and c-charts. When would youuse one rather than the other? Give examples of measurementsfor both p-charts and c-chartsarrow_forwardBoxes of Honey-Nut Oatmeal are produced tocontain 14 ounces, with a standard deviation of .1 ounce. Setup the 3-sigma x-chart for a sample size of 36 boxes.arrow_forwardwhich charts would be beneficial for healthcare : Run chart, Control chart, Gantt chart, or Pareto chartarrow_forward
- What are the key mistake proofing techniques in Six Sigma DMAIC phases?arrow_forwardThe production manager at Sunny Soda, Inc., is interested in tracking the quality of the company's 12-ounce bottle filling line. The bottles must be filled within the tolerances set for this product because the dietary information on the label shows 12 ounces as the serving size. The design standard for the product calls for a fill level of 12±0.10 ounces. The manager collected the accompanying sample data (in fluid ounces per bottle) on the production process. Click the icon to view the sample data. Click the icon to view the table of factors for calculating three-sigma limits for the xachaR-chart. Design an R- and an x-chart for this process. The UCLR equals 0.371 ounces and the LCLR equals 0.000 ounces. (Enter your responses rounded to three decimal places.) The UCL equals 12.115 ounces and the LCL equals 11.878 ounces. (Enter your responses rounded to three decimal places.) a. Are the process average and range in statistical control? The process average is in statistical control…arrow_forward3.2. The Road King Tire Company in Birmingham wants to moni- tor the quality of the tires it manufactures. Each day the company quality-control manager takes a sample of 100 tires, tests them, and determines the number of defective tires. The results of 20 samples have been recorded as follows: Number of Number of Sample Defectives Sample Defectives 1 14 11 18 12 12 10 9. 13 19 10 14 20 11 15 17 7 16 18 7 8 17 18 8 14 18 22 9. 16 19 24 10 17 20 23 3. 4,arrow_forward
- What are the differences of the following charts: x̄-chart, R-chart, p-chart, c-chart and when should we use each of the charts? Please explain the use of each charts and what are the examples in real life of those charts?arrow_forwardCan you please explain the steps to create the control chart ?arrow_forwardInter-State Moving and Storage Company wishes to establish a control chart to monitor the proportion of residential moves that result in written complaints due to late delivery, lost items, or damaged items. A sample of 40 moves is selected for each of the last 12 months. The number of written complaints in each sample is 9, 7, 4, 9, 1, 9, 11, 5, 5, 8, 7, and 15. Number Defective Percent defective 9 18 7 14 4 8 9 18 1 2 9 18 11 22 5 10 5 10 8 16 7 14 15 30 a. Insert the mean proportion defective, UCL, and LCL. (Leave no cells blank - be certain to enter "0" wherever required. Round your intermediate calculations and final answers to 2 decimal places.) Mean proportion defective UCL LCL c. Does it appear that the number of complaints is out of control for any of the months?multiple choice Yes Noarrow_forward
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