Chapter 1-4 1. Classify each variable as qualitative (QL) or quantitative (QT). (Tick your answers in the correct category) | | QL | QT | a. | Colors of automobiles at the faculty parking lot | ̷̷ | | b. | Number of desks in the classrooms | | ̷̷ | c. | Classification of children in a day care center (infant, toddler, preschool) | ̷̷ | | d. | Weight of fish caught at Tasik Cini | | ̷̷ | e. | Number of pages in statistics textbooks | | ̷̷ | f. | Religion of students
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results are needed urgently. Assumptions * Population of engineers are homogeneous population of each type of engineers separately * Engineers are normally checking e-mails, and the questionnaires will be responded in time. b). The two distributions are found to be positively and negatively skewed respectively Age: - slightly positively skewness 0.31 OT :- Negatively skewned -1.36 Therefore the best measre of central tendency is median and best measure of dispersion is Inter Quartile
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times Lucy | 0/10 | 2/10 | 0/10 | Tiffany | 2/10 | 0/10 | 3/10 | Skye | 3/10 | 0/10 | 0/10 | Seanie | 0/10 | 1/10 | 1/10 | Amanda | 2/10 | 2/10 | 0/10 | After, we got all of the data we had to determined if each test was a Normal Distribution in order to make a graph. At first we noticed that test 2 & 3 were weird because their median and Q1 in test 2 were the same. When we made box and whiskers graphs and only test 1 made sense. This is how we determined that: After
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graduate selection committee wants to select the top 10% of applicants. On a standardized test with a mean of 500 and a standard deviation of 100, what would be the cutoff score for selecting the top 10% of applicants, assuming that the standardized test is normally distributed? 2. The average commute time via train from the Chicago O'Hare Airport to downtown is 60 minutes with a standard deviation of 15 minutes. Assume that the commute times are normally distributed. What proportion of commutes would
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SELECTED SIMULATION EXERCISES Exercise 4-1 People arrive at a newsstand at the rate of one every 10 ( 5 seconds. Most people buy only one paper but 20% buy two papers. It takes 5 ( 3 seconds to buy one paper and 7 ( 3 seconds to buy two papers. Simulate the sale of 100 papers, starting from the time the newsstand opens. Exercise 4-2 A series of moving stairways carry customers in an upward direction between four floors of a department store. People arrive at the foot of the stairs
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Executive Summary John Raymond is working on his 401K-retirement plan. He has all of the risks and returns for all of the assets in his investment classes. He assumes that all returns follow a normal distribution with the following means and standard deviations. Investment Class | Mean | Standard Dev. | Fixed Income/Annuities | 8.31% | 0.60% | Cash | 7.73% | 0.80% | US Treasury Bonds | 8.80% | 5.00% | US Investment Corp Bonds | 9.33% | 7.00% | Foreign Government Bonds | 10.95% |
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Defensive backs (DBs) have become more important every year in the NFL because of the increase in the passing game. DBs are being drafted more often in the first round with height as one of the most important specs to defend Wide Receivers (WRs). My research question: Is the average DB taller than the average WR? My expectation is that there will not be a significant difference between the two. The Populations used to support my hypothesis are three starting (NFL) DBs from each team in the American
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Strategic Action Portfolio Bruno R. Gaita, MS., MBA University of Phoenix The advent of technological advances in global communications coupled with deregulation has resulted in an examination of the corporate strategic action portfolio of American Telephone and Telegraph (AT&T). According to Kim & Prescott (2005) “the relationship between a firm’s strategic action portfolios can be directly attributed to environmental changes” (p. 417). The environmental changes promote organizational
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Monte Carlo simulations and option pricing by Bingqian Lu Undergraduate Mathematics Department Pennsylvania State University University Park, PA 16802 Project Supervisor: Professor Anna Mazzucato July, 2011 Abstract Monte Carlo simulation is a legitimate and widely used technique for dealing with uncertainty in many aspects of business operations. The purpose of this report is to explore the application of this technique to the stock volality and to test its accuracy by comparing the result
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Century National Bank The Century National Bank has branches in several cities primarily in the Midwest and Southeastern part of the United States, but smaller offices and branches are distributed throughout most states. Mr. John Zobus, President and CEO, would like to know the characteristics of the checking account customers, such as: What is the balance of the typical customer? Or: How many other bank services do the checking account customers use? Do the customers use the ATM service, and
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