PPT-Social Statistics: Hypothesis

The difference between a sample and a population Null and research hypotheses What is a good hypothesis This week 2 Hypothesis An educated guess Research questions hypothesis A good hypothesis translates a problem or research question into a form that is more amendable to testing. **You’re not really Dummies**. Before Starting. Disclaimer: . We can’t teach a whole quarter of statistics, but we can teach you how to study. Studying . for statistics requires reading the book!. Paf 203. Data Analysis and Modeling for Public Affairs. REVIEW. What is statistics?. What is the difference between a population and a sample?. What is a parameter? A statistic?. What are the measures of central tendency?. Dr. Surej P John. Definition of Variables. A variable is an attribute of a person or an object that varies.. Measurement are rules for assigning numbers to objects to represent quantities of attributes.. published by Wiley. www.statisticsfromatoz.com. Today, we will . not. be talking about . Descriptive . Statistics. in which .... There is . complete data . on the Population or Process. We can use simple arithmetic to . Ho - this hypothesis holds that if the data deviate from the norm in any way, that deviation is due strictly to chance.. Alternative hypothesis. Ha - the data show something important.. Doing decision = accept/reject Ho (the decision centers around null hypothesis). Sample. , shape, location, and spread. Sample = make sure it's random, handle missing data (mcar, mar, nmar), imputation . methods. NMAR!. . Shape = Is the data skewed, normal, or flat? If normal then we can use statistical analysis for normal . Behavioral. . Sciences. Session . #. 17:. Hypothesis. . Testing. : . The Confidence . Interval. . Method. and the . T-Statistic. . Method. (. Agresti. and Finlay, . from. . Chapter. 5 to . Chapter. Introduction to Statistics for the Social Sciences SBS200 - Lecture Section 001, Spring 2019 Room 150 Harvill Building 9:00 - 9:50 Mondays, Wednesdays & Fridays . http://www.youtube.com/watch?v=oSQJP40PcGI The research process. Frankfort-Nachmias, Social Statistics for a Diverse Society 8e. SAGE Publications, 2018.. 3. Asking a research question. What is empirical research? . Research . based on information that can be verified by using our direct . Allen Mincer . New York University. July 2019. 1. BNL June 2019. On Statistics. Mark Twain popularized the saying [see end of quote] in Chapters from My Autobiography, published in the North American Review in 1906. "Figures often beguile me," he wrote, "particularly when I have the arranging of them myself; in which case the remark attributed to Disraeli would often apply with justice and force: 'There are three kinds of lies: lies, damned lies, and statistics.’ ’’ . A nuclear power plant adjacent to a residential area. STATISTICS FOR BUSINESS. (Hypothesis testing for a single population). A nuclear power plant. adjacent to a residential area. Two . local . residents die . Exercise: Discover the Higgs, part 2. Attilio . Andreazza . Università. di . Milano and . INFN. Caterina. . Doglioni. . Université. de Genève. Outline. What. . will. . we. do . today. :. Discover. Dr David Butler. Maths Learning Centre. University of Adelaide. Semester 1 2022. Research and Critical Appraisal. You NEED statistics because things VARY. You want to:. d. escribe how things vary. figure out what is usual. to . measure. the social . economy. and . its. impacts . Marie J. Bouchard . Professor, Université du Québec à Montréal (Canada). President. , CIRIEC International Scientific Commission on Social and .