Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 9, Problem 11CQ
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In a p-chart, the upper control limit is how many estimated standard deviations abovethe average p-bar?a. 1b. 2c. 3d. 6
rations Management Spring21
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Chapter 9 Solutions
Operations Management
Ch. 9 - Prob. 1CQCh. 9 - Prob. 2CQCh. 9 - Prob. 3CQCh. 9 - Prob. 4CQCh. 9 - Prob. 5CQCh. 9 - Prob. 6CQCh. 9 - Prob. 7CQCh. 9 - Prob. 8CQCh. 9 - Prob. 9CQCh. 9 - Prob. 10CQ
Ch. 9 - Prob. 11CQCh. 9 - Prob. 12CQCh. 9 - Prob. 13CQCh. 9 - Prob. 14CQCh. 9 - Prob. 15CQCh. 9 - Prob. 16CQCh. 9 - Prob. 17CQCh. 9 - Prob. 18CQCh. 9 - Prob. 1PACh. 9 - Prob. 2PACh. 9 - Prob. 3PACh. 9 - Prob. 4PACh. 9 - Prob. 5PACh. 9 - Prob. 6PACh. 9 - Prob. 7PACh. 9 - Prob. 8PACh. 9 - Prob. 9PACh. 9 - Prob. 10PACh. 9 - Prob. 11PACh. 9 - Prob. 12PACh. 9 - Prob. 1CCh. 9 - Prob. 2C
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- The range chart (R-chart) is most likely to detect a change in a. sample size O b. number defective O c. varlability O d. proportion e. mean US PAGEarrow_forwardManagement at Deluxe Diner is in process of establishing a quality control system for the time it takes to initially make contact with a table of patrons. A sample of size 3 is taken on each of the five different days. The following data table presents the results (all times listed are in seconds). Time 1 Time 2 Time 3 Service Encounter day 1 day 2 day 3 day 4 day 5 200 120 83 68 110 150 85 93 150 90 175 105 130 145 75arrow_forwardQuestion content area Part 1 Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) LOADING... for this problem. Twelve samples, each containing five parts, were taken from a process that produces steel rods at Emmanual Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed. The results were: Sample Sample Mean (in.) Range (in.) Sample Sample Mean (in.) Range (in.) 1 12.202 0.033 7 12.203 0.041 2 12.202 0.041 8 12.205 0.034 3 12.193 0.034 9 12.193 0.027 4 12.206 0.051 10 12.203 0.029 5 12.195 0.031 11 12.203 0.039 6 12.199 0.036 12 12.204 0.047 Part 2 For the given data, the x = enter your response here inches (round your response to four…arrow_forward
- b. Set up an x-chart with n= 8. The frequency should be sample eight and then skip four. Compute the mean, x, for each sample. (Enter your responses rounded to two decimal places.) Sample Minutes 1 1-8 10.63 13 - 20 9.88 3 25 - 32 10.38 4 37 - 44 11.25 49 - 56 10.13 6 61- 68 10.25 7 73 - 80 11.63 The UCL; equals minutes and the LCL, equals minutes. (Enter your responses rounded to two decimal places.)arrow_forwardThe historical demand for four period is 62, 60, 72, and 67 respectively. Using the Naive method, the Mean absolute Deviation (MAD) is Select one: a. None is correct b. -10.67 C. 10.67 • d. 6.33 e. 14.67arrow_forwardA process mean shift in a measured variable would be best detected by a O a. x-bar-chart O b. p-chart O c. c-chart O d. R-chart O e. None is correct S PAGE Type here to search 99+ SUS f1 f2 f3 f4 f5 E3 f6 图arrow_forward
- Self-Study Problem 17-2 (Algo) Taguchi Quality Loss Function (QLF) [LO 17-4] Marlon Audio Company manufactures video tapes. The desired speed of its model SF2000 is 6 inches per second. Any deviation from this value distorts pitch and tempo, resulting in poor sound quality. The company sets the quality specification to 6 ± 0.29 inch per second because an average customer is likely to complain and return the tape if the speed is off by more than 0.29 inch per second. The cost per return is $40. The repair cost before the tape is shipped, however, is only $2 per tape. Required: 1. Compute L(x) if x is 6.12 inches per second. 2. Estimate the tolerance for the firm to minimize its quality-related cost (loss). (Round your answers to 4 decimal places.) 1. L(x) 2. Tolerance incharrow_forwardF2 You should use a(n) OA.X-bar chart OB. R-chart OC. p-chart OD.m-chart OE. V-chart # A Moving to another question will save this response. E 0 F3 $ 4 000 F4 R % 5 to track the variability of the pipe's diameter for a manufacturing process producing copper pipes. T F5 A MacBook Air F6 Y C & 7 ◄◄ F7 * 8 F8 ( 9 A F9 F10 >> 4) F11 11 + E F12 0 UDOPER 11arrow_forwardFused non-wovens or fiberwebs can be created by: Group of answer choices Mechanical means such as needle-punching Termal fusion Both A and B Neither A or Barrow_forward
- Lower Control Limit (LCLx) = enter your response here inches (round your response to four decimal places).arrow_forward3 possible causes of gradual shifts in the level for the R chartarrow_forwardLower Control Limit (LCLx) = enter your response here inches (round your response to three decimal places).arrow_forward
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