..$6.13 The defect rate for data entry of insurance claims at Sadegh Kazemi Insurance Co. has historically been about 1.5%. a) What are the upper and lower control chart limits if you to use a sample size of 100 and 3-sigma limits? b) What if the sample size used were 50, with 3ơ? c) What if the sample size used were 100, with 2ơ? d) What if the sample size used were 50, with 2ơ? wish

..$6.13 The defect rate for data entry of insurance claims at Sadegh Kazemi Insurance Co. has historically been about 1.5%. a) What are the upper and lower control chart limits if you to use a sample size of 100 and 3-sigma limits? b) What if the sample size used were 50, with 3ơ? c) What if the sample size used were 100, with 2ơ? d) What if the sample size used were 50, with 2ơ? wish

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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In a fabric manufacturing factory, the quality control process using control charts from SPC. In an hour there are a total of 5 samples are taken each having 6 observations regarding the thickness of fabric in measured in millimeters. In a particular hour, the sample means (X-bar) are noted to be: 156.46, 199.62, 189.31, 102.22, and112.09 respectively. In the same sample, the corresponding ranges are: 11.97, 12.17, 13.94, 11.86, and 11.83 respectively. What are the lower and upper control limits for the X-bar chart? O a. None is correct O b. 146.01, 157.87 Oc. 142.92, 160.66 Od. 143.55, 165.47 Oe. 156.55, 170.47 Of. 144.78, 159.11
Lower Range, Sample Size, n Mean Factor, Upper Range, DA A2 D3 2 1.880 3.268 3 1.023 2.574 4 0.729 2.282 5 0.577 2.115 6 0.483 2.004 7 0.419 1.924 0.076 8 0.373 1.864 0.136 0.337 1.816 0.184 10 0.308 1.777 0.223 12 0.266 1.716 0.284
The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100. LCLp Day Defectives = 1 5 2 7 3 7 4 9 5 5 6 6 a) The upper and lower 3-sigma control chart limits are: UCL = 0.127 (enter your response as a number between 0 and 1, rounded to three decimal places). (enter your response as a number between 0 and 1, rounded to three decimal places). 7 1 8 6 9 10 10 1
A can filling process at a beverage manufacturing factory is assumed to be in control with limits of 89 ± 4 had sample averages for the x-bar chart of the following: 87.1,87,87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? O a. None is correct O b. Process mean is out-of-control Not enough information to determine O d. Process mean is NOT out-of-control NEXT PAGE PAGE
A can filling process at a beverage manufacturing factory is assumed to be in control with limits of 84 ±3 had sample averages for the x-bar chart of the following:87.1,87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement ?below are correct Not enough information to determine .a O None is correct b O Process mean is in-control .c O Process mean is out-of-control .d O أخل اختياري 4) E ENG acer
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Cartons of Plaster are supposed to weigh exactly 32 ounces. Inspectors want to develop process control charts. They take five samples of six (5) boxes each and weigh them. Sample means (X-bar) are: 33.8, 34.6, 34.7, 34.1, and 34.2 respectively. Also, the corresponding ranges are: 1.1, 0.3, 0.4, 0.7, and 0.3, respectively. The lower and upper control limits of the R-chart are ,respectively O a. None is correct O b. O and O.15 O c. 0.01 and 1.13 O d. 0.03 and 1.18 O e. O and 1.18
In process industry during a daily production run, a total of five (05) samples are collected with four (04) observations within each sample. The sample means (X-bar) are; 14.09, 13.94,16.86, 20.00, and 16.64 respectively. The corresponding ranges are; 9.90, 7.73, 4.41, 7.56, and 3.49 respectively. The lower and upper control limits of the x-bar chart are respectively O a. 11.44, 20.66 O b. 11.29, 20.65 C. None is correct Od. 11.47, 21.14 e. 11.47, 16.55