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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that there are possibilities of time travel and others say that it is impossible. In my opinion‚ I think it is possible with right research and advanced technology for time travel to be possible. If time travel is invented‚ and someone did come back in time from the future‚ and change things without making themselves widely known as time travelers‚ it is possible that if it was changed in the past‚ then it changes all the time from that point up to the present. Therefore
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American Dream isn’t possible? “There’s no reason why we can’t restore the basic‚ American promise that if you work hard‚ you can do well.” (Kunhenn‚ 2012) America is a land with a lot more opportunities and freedom than any other nation. There’s no excuse not to achieve ones dreams in this country. The American dream is still universally available for anyone to achieve; it’s still possible because it has been done many times‚ we live in a free country and anything is possible with hard work.
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Results and Discussion Table 1. Table 2. Background in Choosing the Current Program. Questions Yes No Total Is BS Accountancy your first choice? Is BSBA your first choice? Did you have doubts in taking BSA? Do you still want to take BS Accountancy? 70% 6.67% 73.33% 43.33% 30% 93.33% 26.67% 50% 100% 100% 100% 93.33% Table 2 shows possible factors considered in students’ decision-making upon entering BS Accountancy
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Factors that may cause migraine HORMONAL CHANGES Hormonal changes are known as a trigger. In some people‚ mograines occur without an actual reason‚ and for others they only experience migraines when they are exposed to a trigger. A trigger for one person will sometimes not be the same for another. In this case females who experience migraines‚ may experience hormonal changes as a trigger and only get attacks during their period‚ although there are others who have multiple triggers and this could
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CHAPTER 1 :- DEFINING MARKETING FOR THE 21st CENTURY MARKETING DEBATE—Does Marketing Create or Satisfy Needs? Marketing has often been defined in terms of satisfying customers’ needs and wants. Critics‚ however‚ maintain that marketing does much more than that and creates needs and wants that did not exist before. According to these critics‚ marketers encourage consumers to spend more money than they should on goods and services they really do not need. Take a position: Marketing shapes consumer
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Here’s your chance to demonstrate your ability to think through a philosophical issue to its real-life implications. Start this DB by a brief discussion of the metaethical distinction between consequentialist/teleological views and deontological views in relation to the issues in this scenario. Then note how this would make a difference in the possible conclusions one might reach in this example. Now state your conclusion‚ and spend the last 250 or so words arguing for your conclusion
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"The Process of Analysis ̶ Diagrams and Trees" Decision analysis offers organization and direction for thinking methodically about challenging alternatives. Complexity‚ uncertainty‚ multiple intentions and numerous perspectives can lead to different best guesses. The policy analyst has several tools she or he can use to make hard decisions easier to make. Two of these tools are decision trees and influence diagrams. As the author notes‚ these problem-structuring methods are valuable in producing
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service on November 1 1998. This paper aims to use the Iridium Project‚ which I have participated at Motorola before‚ to illustrate the incremental benefits and the pitfalls from creating competitive advantage through technology and activity system. Discussion of incremental benefits & industry analysis by using five force model Competitor ¡V Mobile Satellite System (MSS) companies The largest competitor from MSS companies is Globalstar. Globalstar¡¦s communication system is supported by low cost satellites
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Discouragement is possible for Christians Many of us are under the illusion that Christians cannot be discouraged or even depressed. But the journey to the Kingdom of God could be weary and boring. The journey is not a straight dash but rather a marathon. There are several causes of discouragements on the journey‚ such as job‚ financial‚ children‚ relationships‚ loneliness‚ trials‚ betrayal by brethren‚ and several other burdens. For these reasons‚ we must understand that there are strong and weak
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