b) The data in Table 4(b) shows the number of nonconforming ties in a sample ofsize 500, following 100% inspection, over 20 days;Number ofDayNonconformities1131025412126.97118.139.11101611131210131414151510161717181219122013Table 4(b)Page 6 of 8i.Calculate the UCL and LCL for this dataii. Plot a fraction non-conforming control chart for the data.If there are any points that plot outside of the control limits, assumeassignable causes can be found and recalculate the limits.ii.

Find the Given details below: Given details: Day Sample size Number of Nonconformities 1 500…

Answered: b) The data in Table 4(b) shows the…

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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Explain the application of the following statistical tests in detail Independent sample T-test
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Telephone inquiries of 100 IRS “customers” aremonitored daily at random. Incidents of incorrect informationor other nonconformities (such as impoliteness to customers)are recorded. The data for last week follow:DAY NO. OF NONCONFORMITIES1 52 103 234 205 15 a) Construct a 3-standard deviation c -chart of nonconformities.b) What does the control chart tell you about the IRS telephoneoperators?
Telephone inquiries of 100 IRS "customers" aremonitored daily at random by Xiangling Hu. Incidents of incorrectinformation or other nonconformities (such as impolitenessto customers) are recorded. The data for last week follow: a) Construct a 3-standard deviation c-chart of nonconformities.b) What does the control chart tell you about the IRS telephoneoperators?
What is assignable cause of variation? How is it applied to statistical application of quality management and how can it be used in business?
What is the difference between Lot Quality Assurance Sampling (LQAS) and Routine Data Quality Assessment (RDQA) What is the relationship between the LQA and RDQA in improving data quality and data collection?
A process at Printwright, Inc.’s largest facility is used to make plastic gears for a computer printer. The data found in the worksheet Prob. 9-15 were gathered by a quality analyst. The gears were designed to be 3.57 ` 0.05 centimeters (cm) in diameter. Construct a histogram of the data. What can you observe about the shape of the dis- tribution? What would you recommend to the production manager based on your analysis?
Ettlie 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?
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Rolls of coiled wire are monitored using a c-chart. Twenty rolls have been examined, and the number of defects per roll has been recorded in the following table. Using the set of 20 observations, perform run tests on the data. What can you conclude about the data? Sample Number of Defects Sample Number of Defects 11 1 2 3 4 5 167390 Test First Second 297445TASA 6 8 12 13 14 15 16. 17 18 19 20 Conclusion 6 7 5 7 5 106
Explain the use of full and fractional factorial experimental designs. Provide a scenario of when it would be appropriate for each.

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