Lecture Notes on Introductory Statistics‚ I (P.P. Leung) Lecture notes are based on the following textbook: N.A. Weiss (2012)‚ Introductory Statistics‚ 9th edition‚ Pearson. Chapter 1 The Nature of Statistics 統計本質 §1.1 Two kinds of Statistics §1.4 Other Sampling Designs (其他抽樣方法) Chapter 1 The Nature of Statistics 統計本質 What is Statistics? 何謂統計? From Wikipedia‚ the free encyclopaedia: Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation
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Worksheet 1 - Basic Concepts 1. What is Inferential statistics? Inferential statistics uses observations of past occurrences or available data i.e. descriptive statistics to make decisions about future possibilities and/or the nature of the entire body of data. Inferential statistics draws conclusions or makes interpretations‚ predictions and inferences about a population based upon an analysis of a sample. 2. Give 2 different techniques which are used in descriptive statistics to represent
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Unit 1 - Fundamentals of Statistics Veronica Chavis American InterContinental University In this paper I will examine and analyze the data regarding employee’s job satisfaction as it relates to gender. I have provided an interpretation of the extrinsic results for the three age groups‚ as well as I have given the results of the surveys regarding both qualitative measurement and quantitative measurement. I have discussed the results based the graphs that included in the paper; I have all so
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why things happen‚ prevent bad stuff‚ promote good stuff. “experiments" Correlational - descriptive‚ observational. Does not make causal claims. “studies" Variable types (SS Stevens‚ 1946) Nominal - assign item to category; are discrete / categorical Ordinal - rank order items; are categorical‚ but often treated as continuous Interval - rank order items and distance between cases is equal; are continuous Ratio - same as interval‚ includes a true zero; are continuous
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Most Common Differences Between Word 2003 and 2007 If you are used to working in the Microsoft Office Version 2003 then this explains the main differences. The top tool bar of icons and tables has been replaced with a Ribbon. On this ribbon you will find all of the old tools you are used to working with but they will be organised in different ways. 1. In theory you should be able to reach the most commonly used tools in a quicker way then before. 2. You should be able to format
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What are project management processes? Assume that you have to invest in a new project‚ which area would you invest? Explain your answer by explaining all the project management processes. What are Project Management Processes? Project Management Institute‚ Inc. (PMI) defines project management as "the application of knowledge‚ skills‚ tools and techniques to a broad range of activities in order to meet the requirements of a particular project." The process of directing and controlling
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Business Analytics: Unit 1: Descriptive Statistics and Mathematical Foundations Kaplan University March 23‚ 2014 Descriptive Statistics and Mathematical Foundations Part I: Pie Chart & Bar Graph This information regards T-100 Domestic Market’s boarding information during the previous year for the top seven airlines in the United Sates. According to the data Southwest Airlines boarded 81.1 million; Delta Airlines‚ 79.4 million; American Airlines‚ 72.6 million; United Airlines‚ 56.3 million;
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BUS 271 CHAPTER ONE HOMEWORK: TERMS 1. In each statement that follows‚ tell whether descriptive or inferential statistics were used. _D____ a. The average price of a home sold in Allegheny County the week of April 22-28 $75‚328. _D____ b. According to the Census Bureau‚ 20% of all American workers get to work via carpool. __I___ c. The National Eye Institute has halted a clinical trial on a type of eye surgery‚ calling it ineffective and possibly harmful to a person’s
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4. «By failing to prepare‚ you are preparing to fail» is a popular saying. Describe a time when you spent a lot of time preparing for a project‚ job‚ or performance. How did you prepare? Were you successful because of your preparation? Can people be successful without being prepared? These words belong to Benjamin Franklin who was a man of action. Over his lifetime‚ his curiosity and passion fueled a diverse range of interests. He was a writer‚ publisher‚ diplomat‚ inventor and one of the Founding
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beanbag‚ I took note of the raw smell of Applebee’s. The best and most accurate way to describe it would be to parallel it to the smell of my grandmother’s kitchen. My grandmother is quite secretive in what she puts in her recipes so when you walk into her kitchen you are greeted by an assortment of smells. Freshly rising bread sitting cozily in the oven‚ an essence of Italy captured in a pot
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