Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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The process involving filling of a high value medicine into standard containers of 50 gms.
X-bar chart
p-chart
c-chart
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- At Isogen Pharmaceuticals, the filling process for its asthma inhaler is set to dispense 140 milliliters (ml) of steroid solution per container. The average range for a sample of 3 containers is 4 ml. use the accompanying table to establish control limits for sample means and ranges for the filling process. x-chart and R-chart Size of Sample (n) Factor for UCL and LCL for x-chart (A2) Factor for LCL for R-Chart (D3) Factor for UCL for R-Chart (D4) 2 1.880 0 3.267 3 1.023 0 2.575 4 0.729 0 2.282 5 0.577 0 2.115 6 0.483 0 2.004 7 0.419 0.076 1.924 8 0.373 0.136 1.864 9 0.337 0.184 1.816 10 0.308 0.223 1.777 The UCLR equals to what ml and the LCLR equals to what ml. (Enter your responses rounded to two decimal places.) The UCLx equals to what ml and the LCLx is what ml. (Enter your responses rounded to two decimal places.)arrow_forwardconcernedas to whether caulking tubes are being properly capped. Ifa significant proportion of the tubes are not being sealed,Webster is placing its customers in a messy situation.Tubes are packaged in large boxes of 144. Several boxes areinspected, and the following numbers of leaking tubes arefound: Calculate p-chart three-sigma control limits to assesswhether the capping process is in statistical control.arrow_forwardCalculate the process capability (show your method). Is it acceptable? Comment on this result.arrow_forward
- mq3arrow_forwardEttlie Engineering has a new catalyst injection system for your countertop production line. Your process engineering departmenthas conducted experiments and determined that the mean is 8.01 grams with a standard deviation of .03. Your specificationsare: m = 8.0 and s = .04, which means an upper specification limit of 8.12 [ = 8.0 + 3(.04)] and a lower specification limit of7.88 [= 8.0 - 3(.04)].What is the Cpk performance of the injection system?arrow_forwardAbout the OC curve for p chart, which statement is INCORRECT? Select one: a. None of those listed b. There is one particular point on the OC curve at which β=1-α c. The y-axis of the OC curve is β d. The maximum β exists when p is equal to the center line of the control chart e. β is computed based on binomial distributionarrow_forward
- Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 135. Several boxes are inspected, and the following numbers of leaking tubes are found: View an example Sample 1 2 3 Get more help. 4 Tubes 7 7 8 5 1 5 6 7 Calculate p-chart three-sigma control limits to assess whether the capping process is in statistical control. The UCL, equals 1 Sample 8 8 9 10 11 12 13 14 Tubes 7 2 4 8 6 9 MacBook Pro 3 Sample 15 16 17 18 19 20 Total Tubes 8 3 3 5 and the LCL equals (Enter your responses rounded to three decimal places. If your answer for LCL, is negative, enter this value as 0.) 3 6 104 Clear all Check answer Oarrow_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_forwardWhat is the purpose of a control chart?arrow_forward
- Please do not give solution in image format thankuarrow_forwardWhat 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_forward11. Jars of pickles are sampled and weighed. Sample measures are plotted on control charts. The ideal weight should be precisely 11 oz. Which type of chart(s) would you recommend to monitor the process? Select one: a. p-chart b. c-chart c. both x-bar chart and R-chart d. x-bar chart, but not R-chart e. R-chart, but not x-bar chartarrow_forward
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