Hypothesis testing I Kevin Soo Outline • • • • Theory and the research process What is a hypothesis? Hypothesis testing Statistical models Theory and the research process Theory • A belief – Can be true or false – P (belief) • A proposed/possible explanation for something – ‘Some students do poorly at statistics because they have less exposure to mathematics’ – ‘Women don’t date me because I’m ugly’ – ‘Manchester United lost the Premier League because they struggled with injury
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Scientific Method The Scientific Method is a system devised to allow scientists to gain insight‚ or knowledge‚ on a wide range of questions about one’s behavior and other points of interest. The first step in this process is to identify a question that deserves an explanation or answer to. For example‚ a good indentifying question that one could use would be why did the chicken cross the road? This is a specific behavior that can be addressed and quantified. Once the individual has the question
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Criminal Investigations The method of inquiry is the way that an investigator or detective gathers information about a specific case. There is several different method of inquiry such as evidence collection‚ witness and victim statements‚ and information stored in public and private databases. The methods of inquiry are used to figure out what happened at a particular crime scene. A criminal investigator is trying to establish the who‚ what‚ where‚ when‚ why‚ and how of the crime. During this process
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Why Is Recycling Important? Some benefits include: saving energy‚ saving land space‚ saving money‚ creating new jobs‚ reducing air and water pollution and preserving habitat for wildlife. That’s why recycling is important and you should take a closer look at your life and how your recycled materials are used in your daily life. Saves Energy It takes less energy to process recycled materials than it does to use virgin materials. For example
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War II and I find it important that it is shown not only as a bad thing‚ but as something that he have managed to overcome in our short countryhood. Memorials are something that are used to say that this happens and we do recognize that those things did happen‚ they are there for the sole remembrance of the people have fallen and those who are honored because the things that happened throughout the course of a complicated history. Therefore there are three main reasons as to why these memorials should
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WHY IS LEADERSHIP DEVELOPMENT IMPORTANT? O’ Connell‚ Patricia. (Feb 2010). How Companies Develop Great Leaders. www. businessweek.com - The Best Companies for Leadership report investing more time developing future leaders - The best-in-breed companies spend more time and money developing leaders - 22% of the Best Companies for Leadership spend 25+ days developing their top talent - Creates an environment that drives performance - Removes obstacles that hinder people
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INTRODUCTION Investigations are the processes that will be used to describe both criminal investigation and crime scene processing distinctions between criminal investigations and crime scene. Crime scene requires strict scientific methodologies such as collections procedures and testing protocol‚ whereas criminal investigation has less of hard science character and relies more on the experience and skills of the investigator rather than rigid scientific protocols and procedures. Evidence is a
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of the most important questions we face today in our academic communities. Whether we should be persistent in our study of man’s triumphs and mistakes‚ or whether we should leave where we have come from and merely focus on where we are going. There are compelling arguments for both sides‚ but by far‚ the logical answer to this question is without a doubt. Yes. History is an incredibly important part of our daily academics. It is also an important part of this nation. One reason why we must study
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Family Life Shelia August AUSOC 101.11.1 Prof. Maxey November 9‚ 2011 Why is Family life important? I am employee for the Texas Department of Criminal Justice. I work on death row and I can’t help but to ponder how someone at the age of 27 or younger can be on death row for years; what have we done wrong as a society to produce people who so young but who are unfit to live in society. I know that this is a question without an easy answer. But it’s one we all should ask and strive to find answers
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“Were did we come from ?”‚ “How was it that our society came to be ?” people all around the world ask themselves questions like these to have an explanation or meaning to who they are. The fact is that History can help you understand change and to learn how the society we live in came to be. History can open doors to your heritage and Identity. In addition to helping you understand ‘who we are ’ and ‘how we came to be’ History can also teach us about mistakes made in the past by others so that we
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