STAT 758: Homework #6 Due on Wednesday‚ 11 April‚ 2012 Zaliapin‚ 1:00pm Tracy Backes 1 Tracy Backes STAT 758 (Zaliapin): HW #6 Problem #1 We assume below that Zt ∼ W N (0‚ σ 2 )‚ B is a backshift operator. 6.1 For the model (1 − B)(1 − 0.2B)Xt = (1 − 0.5B)Zt : a) Classify the model as an ARIMA(p‚ d‚ q) process (i.e. find p‚ d‚ q). ARIMA(1‚1‚1) b) Determine whether the process is stationary‚ causal‚ invertible. • The process is stationary if all roots of ϕ(z) are off of the unit
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personal transportation in modern society is the car. A car represents much more than just a way of transportation. The idea of having a car these days transcends the basic idea of mobility; an automobile represents status and wealth while using alternative ways for transport such as bus‚ train‚ or bicycle are depreciated by society as being worse. Looking at how society chooses to move within its territory can reveal a lot of things about what type of society it is. Giving priority to cars means
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cigarette in appearance but it works its magic by simulating the effect of tobacco once it hits the system. The e-cigarette can very well become the means that one can adopt to help them wean off smoking altogether although research questions remains to be framed and studied regarding how successful or common this optimistic attitude has resonated with smokers or aspiring quitters. However‚ as an alternative‚ the e-cigarette is said to be safer than ‘real’ cigarettes. The concept was formulated by a Chinese
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arithmetic error in computation‚ delay in payment‚ underpayment or overpayment and so on. In this project work‚ automated system shall be developed which shall eliminate all the problems associated with the manual process. The most common method of keeping the financial records of a company was manually. A bookkeeper kept the journals‚ the accounts receivable‚ the accounts payable‚ payroll and the ledgers in his best possible penmanship. In later years‚ an accounting machine‚ which was capable of performing
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Alternatives to Gasoline in Vehicles One of the most pressing issues in today’s society both climatically and economically is the use of gasoline and fossil fuels in our vehicles. Ever since the creation of the automobile in the early 1900s gasoline has become a commodity that helps the global economy tremendously. However‚ after over one hundred years of the use the resource has come to be scarcer‚ and all of the greenhouse gases and pollution that were released have helped set in motion the
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Natural Solutions As Alternative Mosquito Repellant Submission As Partial Fulfillment of the requirement in Research September 2012 Chapter II REVIEW OF RELATED LITERATURE AND STUDIES Related Literature Natural Solutions The citronella plant is a very well loved plant‚ especially in the summer when its mosquito-repelling properties come in handy! Citronella is a common ingredient in insect repellant sprays and candles. It is also included in lotions
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Reflection on Alternative Assessments Traditional and alternative assessments share some key elements‚ yet differ as well. All assessments‚ whether given as a test after a unit or alternative‚ should be measurable and be reliable and valid by having clear criteria to measure the learning targets. Traditional and alternative assessments generally differ in timing‚ feedback‚ student’s involvement‚ and how the teacher uses the information though. The time in which traditional assessments such
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6.) Alternative sentencing (Instead of sending juveniles to industrial schools). Example‚ probation which would include the completion of a community service order‚ or drug program. Many juvenile offenders can be effectively rehabilitated through community- based supervision and intervention. There is need for alternatives to detention; research on traditional confinement in large training schools or correctional facilities has found relatively high recidivism rates (Austin‚ Johnson and Weitzer
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Chapter 14: Alternative Work Arrangements Please read this Case Study and Evaluate options. Should the availability of alternative work arrangements for private sector employees in the United States be mandated by law? Why or Why not? Explain your answer. No; because it should be employees choice if they want to work for an employer that has alternative work arrangements in their organization. Alternative work arrangements programs or guarantee employee participation in established programs‚ implementation
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Examining Alternatives to Globalization Every day we are witnessing globalization effects on economy‚ information and technology‚ the system of government etc. So those effects inevitably leads to the globalization of culture which is‚ in my opinion‚ one of the main reason for the anti-globalization movements of resistance‚ that oppose globalization in a bid to safeguard their threatened peculiarities. It makes a problem because many world nations aspire to a globalized world‚ but with some limits
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