Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
10th Edition
ISBN: 9780134181981
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Chapter 17, Problem 2P
Summary Introduction
To determine: The overall reliability of the whole testing process.
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While the alpha of Cronbach is mostly used to assess the reliability of results, researchers are increasingly looking for alternatives because of a series of process defects. Alpha Cronbach in its reliability assessment, since the former has an enhanced uncertainty estimate shared by the respective activities and uses object loads gathered within the factor structure. Explain the Cronbach’s Alpha measurement and its internal consistency?
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Chapter 17 Solutions
Principles of Operations Management: Sustainability and Supply Chain Management (10th Edition)
Ch. 17 - Prob. 1EDCh. 17 - Prob. 1DQCh. 17 - Prob. 2DQCh. 17 - Prob. 3DQCh. 17 - Prob. 4DQCh. 17 - What is the trade-off between operator-performed...Ch. 17 - Prob. 6DQCh. 17 - Prob. 7DQCh. 17 - Prob. 8DQCh. 17 - Prob. 9DQ
Ch. 17 - Prob. 10DQCh. 17 - Prob. 1PCh. 17 - Prob. 2PCh. 17 - Prob. 3PCh. 17 - Prob. 4PCh. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - What is the reliability of the system shown?Ch. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Rick Wing, salesperson for Wave Soldering Systems,...Ch. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - What are the expected number of yearly breakdowns...Ch. 17 - Prob. 19PCh. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - Prob. 1CSCh. 17 - Prob. 2CSCh. 17 - Prob. 3CS
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- If the test/retest reliability of a measure is .80, it means The measure meets typical reliability standards. The measure should be revised to get closer to 100% reliability The measure is actually unreliable and should be discarded The measure likely has good construct validityarrow_forwardA bank loan processing system has three components withindividual reliabilities as shown:R1 = 0.90 ---> R2 = 0.89 ---> R3 = 0.95What is the reliability of the bank loan processing system?arrow_forwardYou have a system composed of a serial connection of four components with the following reliabilities: What is the reliability of the system?arrow_forward
- MagTech assembles tape players from four major compo-nents arranged as follows:The components can be purchased from three differentvendors, who have supplied the following reliability data:a. If MagTech has decided to use only one vendor tosupply all four components, which vendor should beselected?b. Would your decision change if all the components wereassembled in series?arrow_forwardYou have conducted a zone of tolerance analysis for your local pizzarestaurant. You find that the lengths of the reliability andresponsiveness boxes are much greater than those of the other threeservice quality dimensions. You also find that the restaurant ispositioned above the zone box on reliability but below the box onresponsiveness. What should you tell the manager to do?arrow_forwardA product is composed of a series connection of four components with the following reliabilities. What is the reliability of the system? Component 1 2 3 4 Reliability .90 .95 .97 .88 A system has four components in a series. What is the reliability of the system? Component 1 2 3 4 Reliability .90 .95 .90 .99arrow_forward
- The reliability dimension of quality relates to the useful life of a good or service. True Falsearrow_forwardConsider a system consisting of 3 identical units connectedin parallel. The unit reliability factor is 0.90. If the unitfailures are independent of one an other and if thesuccessful operation of the system depends on thesatisfactory performance of any one unit.Quality Management - determine system reliabilityarrow_forwardProduct with high quality should provide following characteristics. Give 02 examples each.arrow_forward
- Rick Wing, salesperson for Wave SolderingSystems, Inc. (WSSI), has provided you with a proposal forimproving the temperature control on your present machine.The machine uses a hot-air knife to cleanly remove excess solder from printed circuit boards; this is a great concept, butthe hot-air temperature control lacks reliability. According toWing, engineers at WSSI have improved the reliability of thecritical temperature controls. The new system still has the foursensitive integrated circuits controlling the temperature, butthe new machine has a backup for each. The four integratedcircuits have reliabilities of .90, .92, .94, and .96. The fourbackup circuits all have a reliability of .90.a) What is the reliability of the new temperature controller?b) If you pay a premium, Wing says he can improve all fourof the backup units to .93. What is the reliability of thisoption?arrow_forwardThe Company "Best Engineers Ltd" has released the figures shown below for the financial years 2018 and 2019. Type of Cost Prevention Cost Appraisal Cost Internal Failure Cost External Failure Cost Sales 2018 52,450 2019 51,600 302,000 300,700 734,400 744,100 473,000 465,800 8,600,000 8,468,000 Manufacturing Cost 3,506,000 3,490,000 What percentage of the Total Quality Cost is the Appraisal Cost for the year 2018? 47.02% 3.36% 30.28% 1.56% 19.34% 1.03%arrow_forwardA supplier regularly ships spare bulbs in bulk to the theater and promises a 95% reliability (lasting at least 100 hours). The theater inspects each incoming shipment of bulbs by lighting 20 bulbs for 100 hours. If two or more bulbs go out during the test, the batch shipment is returned to the supplier. If the bulbs indeed have a 95% reliability, what is the likelihood that a shipment passes the test?（ use excel）arrow_forward
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