A manager tracked equipment failures and found 1 failure on 12 days, 2 failure on 11 days, 3 failures on 9 days, and 4 failures on 7 days. What is the 2-decimal mean? What is the 2-decimal standard deviation?
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A manager tracked equipment failures and found 1 failure on 12 days, 2 failure on 11 days, 3 failures on 9 days, and 4 failures on 7 days.
What is the 2-decimal mean?
What is the 2-decimal standard deviation?
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- Verizon Manufacturing Company spent $408,000 in 2019 to inspect incoming components. Of the $408,000, $244,000 is fixed appraisal costs. The variable inspection cost is $0.20 per component. It takes two components for each finished product. Internal failure costs average $88 per failed unit of finished goods. In 2019, nine percent of all completed items had to be reworked. External failure costs average $216 per failed unit. The company's average external failures are three percent of units sold. The company manufactures all units as ordered and carries no materials inventories. Seeking to decrease its total cost of quality (COQ), Verizon contracted Quality-is-Free Consultants, Inc. (QIFC) to study ways to improve product quality and to reduce costs. Upon completion of the study, QIFC recommended automatic inspection equipment that requires a $64,000 annual cost for training and $158,000 for equipment rental and maintenance. The new equipment will eliminate $44,000 of the fixed…Fearless Inc. has designed and tested 400 Super Sucker Vacuum Cleaner models. All of them were operated for 1,000 hours at Lubbock's Fearless test facility. Out of all the vacuums 2 of them failed during the test. One of them after 900 hours and the other after 500 hours. What is this product estimated Mean Time Between Failures?The director of research and development is testing a new drug. She wants to know if there is evidence at the 0.05 level that the drug stays in the system for more than 399 minutes. For a sample of 81 patients, the mean time the drug stayed in the system was 401 minutes. Assume the standard deviation is known to be 21. Step 1 of 5: Enter the hypotheses: Step 2 of 5: Enter the value of the z test statistic. Round your answer to two decimal places. Step 3 of 5: Specify if the test is one-tailed or two-tailed. Step 4 of 5: Enter the decision rule. Step 5 of 5: Enter the conclusion.
- . Inspection results of video-of-the-month shipments to customers for 25 consecutive days are given in the following table. What central line and control limits should be established and posted if it is assumed that any out of-control points have assignable causes? The number of inspections each day is constant and equals 1750. Date Nonconforming Date Nonconforming July 6 47 July 23 37 7 42 26 39 8 48 27 51 9 58 28 44 12 32 29 61 13 38 30 48 14 53 Aug 2 56 15 68 3 48 16 45 4 40 19 37 5 47 20 57 6 25 21 38 9 35 22 53In this Harvard Business Review (HBR) article entitled, "How to Finance the Scale-Up of Your Company" written by Daniel Isenberg and Daniel Lawton, the authors provide practical ways to ensure your business has sources of financing, especially when scaling-up your business. https://hbr.org/2014/08/how-to-finance-the-scale-up-of-your-company INSTRUCTION: Prepare a Reaction Paper called Reading Reflection Memo (RRM). READING REACTION MEMO FOR THIS ARTICLE: The reading reaction memo after reading the article above should: (a) compare and contrast key points that strike you from the reading(s); (b) evaluate the arguments and evidence on the point(s) you cover, identifying what was insightful, mundane, unclear, incomplete, contradictory, etc.; and (c) conclude with 3-4 questions for class discussion. The reaction memo should not merely summarize the reading(s) you consider, but it should also demonstrate an active engagement with the point(s) you select to focus on, including how it (they)…12. Statistical testing, functional testing, reliability testing and environmental testing are in Category 1. True False
- A railway promises to ship freight from Toronto to Vancouver in 9 days, but customers consider any time between 6 and 14 days to be acceptable. Last week an auditor examined a sample of 71 shipments and found their delivery time had a mean of 10.4 days and a standard deviation of 1.5 days. The auditor also found 4 shipments where the customer had been charged too much money. With respect to shipping time, calculate the potential Sigma score for the process.Each day, a FedEx competitor processes approximately 50,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following numbers of errors during a 5-day week (see the "FedEx: Measuring Service Performance" box). These values are hypothetical and do not reflect any real company’s actual performance. Description Weight Number of Errors Complaints reopened 3 145 Damaged packages 10 17 International 1 109 Invoice adjustments 1 284 Late pickup stops 3 207 Lost packages 10 4 Missed proof of delivery 1 28 Right date late 1 752 Traces 3 115 Wrong day late 5 11 Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments. Do not round intermediate calculations. Round your answer to three decimal places. Service Quality Indicator (SQI): %what is standard deviation and how do you find it ?
- day, a FedEx competitor processes approximately 70,000 shipments. Suppose that they use the same Service Quality Index as FedEx and identified the following numbers of errors during a five-day week (see the “FedEx: Measuring Service Performance” box): These values are hypothetical and do not reflect any real company’s actual performance. Complaints reopened: 125 Damaged packages: 18 International: 102 Invoice adjustments: 282 Late pickup stops: 209 Lost packages: 2 Missed proof of delivery: 26 Right date late: 751 Traces: 115 Wrong day late: 15 Compute the Service Quality Indicator by finding the weighted sum of errors as a percentage of total shipments.a bread manufacturer relies on maintenance employees to keep its rather quite old production equipment for their operation. Whenever the equipment breaks down, the maintenance team is able to repair the equipment quickly. However, they are less effective at avoiding these breakdowns and cannot predict when the equipment will break down. The maintenance group has modified the equipment over the years and, in any event, the manufacturer of the equipment is no longer in business. The maintenance employees teach each other how to repair the equipment, but have refused to document any of this information (saying that it is too difficult to document these details). The company owner has thought about firing the maintenance staff unless they document the maintenance procedures, but realizes that there is no one else who can repair the equipment. Discuss or explain the sources or types of power and contingencies (moderator) of power among the maintenance employees in this situation.The number of yearly breakdowns for the power generator observed over the past 20 years at Orlando Utilities is presented in the following data: Number of breakdowns 0 1 2 3 4 5 6 Number of years in which breakdowns occurred 2 2 5 4 5 2 0 For Orlando Utilities, the expected number of breakdowns = (round your response to two decimal places).