Basic theoretical probability. We would expect the proportion of the 1,200 voters in the survey who are in favor to be close to the proportion of all voters who are in favor, but this need not be true. Measure of Central Tendency B. Looks like you’ve clipped this slide to already. • Statistics make data into information • Develop an understanding of some basic ideas of statistical reliability, stochastic process (probability concepts). Population are all the elements to which we are going to make a study, regardless of what it is, whether they are pieces of a factory, animals, data of any type… You can change your ad preferences anytime. B = Second coin toss results in an HH. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Basic Probability 1.1 Basic De nitions Trials? An Introduction to … This unit covers the basics to statistics, from basic terms and definitions in Chapter 1, to the location and spread of a distribution of data in Chapters 4 and 5, estimating population parameters from samples in Chapter 7, and calculating probabilities in Chapter 8. Basic Statistical Concepts. The branch of statistics used to interpret or draw inferences about a set of observations is fittingly referred to as inferential statistics. Basic Statistical Concepts Donald E. Mercante, Ph.D. Biostatistics School of Public Health L S U - H S C Screening Tests Screening Tests Interval Estimation ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3ba52a-MDRiZ 1. Statistics is a study of data: describing properties of data (descriptive statistics) and drawing conclusions about a population based on information in a sample (inferential statistics). Since Statistics involves the collection and interpretation of data, we must ﬁrst know how to understand, display and summarise large amounts of quantitative information, before undertaking a more sophisticated analysis. This Statistics preparation material will cover the important concepts of Statistics syllabus. The rst part of the book deals with descriptive statistics and provides prob-ability concepts that are required for the interpretation of statistical inference. Sample Space (S)? Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. data. The distinction between a population together with its parameters and a sample together with its statistics is a fundamental concept in inferential statistics. But it is hard to tell the truth without statistics." A fundamental concept in summary statistics is that of a central value for a set of observations and the extent to which the central value characterizes the whole set of data. We can define probability as the percent chance that some event will occur. Google Classroom Facebook Twitter. Looks like you’ve clipped this slide to already. Statisticians try to interpret and communicate the results to others. Trials refers to an event whose outcome is un-known. • Population- It is the collection of all individuals or items under consideration in a statistical study • Sample- It is the part of the population from which information is collected. The statistics will help the biologist to: (1) understand the nature of variability and (2) helps in deriving general laws from small samples. 2. Introduction to Statistics - Basic Statistical Terms, Ignite Charlotte 1: The Problem with Data and Statistics by Adam Q. Holden-Bache, No public clipboards found for this slide. 3 Distinguish between descriptive and inferential statistics. • Population always represents the target of an investigation. Basic probability concepts Conditional probability Discrete Random Variables and Probability Distributions Continuous Random Variables and Probability Distributions Sampling Distribution of the Sample Mean Central Limit Theorem. Basics of statistics Probability Distributions. Now customize the name of a clipboard to store your clips. –Andrejs Dunkels. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Measures of central value such as the mean or median must be coupled with measures of data dispersion (e.g., average distance from the mean) to indicate how well the central value characterizes the data as a whole. On the other hand, emphasis is given to the notion of a random variable and, in that context, the sample space. You can change your ad preferences anytime. Probability: the basics. Basic theoretical probability. Audience. There is a Basic understanding of biostatistics is necessary for the study of biology particularly doing research in biological science. attempts to prove basic theorems and a Balls and Urns type of discussion. Mathematical techniques used for this include mathematical analysis, linear algebra, stochastic analysis, differential equation and measure-theoretic probability theory. All the common summary statistics, like means and medians, variances and standard deviations, minima and maxima, percentiles, even regression lines, chi-square values, and P values, are summary statistics of distributions of data. This initial part of the report introduces the basic elements in (statistical) decision theory and reviews some of the basic concepts of both frequentist statistics and Bayesian analysis. Now customize the name of a clipboard to store your clips. Introduction 1.1 Motivation: Examples and Applications 1.2 The Classical Scientific Method and … Set of all possible elementary outcomes of a trial.? Trials are also called experiments or observa-tions (multiple trials).? Inferential Statistics – used to make judgment, observe difference between groups , draw inferences, reach conclusion beyond the immediate data. • Statistics is very important in every aspects of society (Govt., People or Business) 5 Mathematical statistics is the application of Mathematics to Statistics, which was originally conceived as the science of the state — the collection and analysis of facts about a country: its economy, and, military, population, and so forth. Bhd. A result then is that these summaries are shown graphically. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Clipping is a handy way to collect important slides you want to go back to later. If you still need additional information regarding statistics then you can reach us through email, call or live chat we are available round the clock to assist you. If the trial consists of ipping a coin twice, the From statistics you get to operate on the data in a much more information-driven and targeted way. Some Basic concepts Statistics is a field of study concerned with 1- collection, organization, summarization and analysis of data. If you are currently taking your first course in statisti cs, … Statistical analysis of quantitative data is … If C is already observed i.e. Chapter 1: Basic Concepts in Research and Data Analysis 3 with this material before proceeding to the subsequent chapters, as most of the terms introduced here will be referred to again and again throughout the text. Seligman explored that statistics is a science that deals with the methods of collecting, the collection, organization, C = Coin 1 (regular) has been selected. 2- drawing of inferences about a body of data when only a part of the data is observed. 0. Kind of Statistics 1. All the elements we will perform in the study are called population. The basic ideas of decision theory and of decision theoretic methods lend themselves to a variety of applications and computational and analytic advances. 1. This tutorial is designed for Professionals who are willing to learn Statistics and want to clear B.A., B.Sc., B.COM, M.COM and other exams. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details. Basic Concepts of Measurement Before you can use statistics to analyze a problem, you must convert the basic materials of the problem to data. See our User Agreement and Privacy Policy. It contains chapters discussing all the basic concepts of Statistics with suitable examples. Probability: the basics. Measure of Dispersion 3. Descriptive Statistics - used to describe the basic features of data in a study. 11 Use of statistics in dental sciences Assess the state of oral health in community Indicate basic factors underlying state of oral health Determine success or failure of specific oral health care programmes or to evaluate the programme action Promote health legislation and in creating administrative standards for oral health 12. From 28 to 30 Sept, 2015 In data science this is commonly quantified in the range of 0 to 1 where 0 means we are certain this will not occur and 1 means we are certain it will occur. 5 Determine the measurement level for each variable. That is, you must establish or adopt a system of assigning values, most often numbers, to the objects or concepts that are central to the problem under study. Population & Sample • Basic concepts in statistics. interpretation of numerical Let A = First coin toss results in an HH. If you continue browsing the site, you agree to the use of cookies on this website. presentation, analyzation and 2 Understand the definition of basic Statistical concepts. Clipping is a handy way to collect important slides you want to go back to later. Probability is concerned with the outcome of tri-als.? Intro to theoretical probability. A. I choose a coin at random and toss it twice. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. "It is easy to lie with statistics, Example A box contains two coins, a regular coin and one fake two-headed coin (P(H)=1P(H)=1). If you continue browsing the site, you agree to the use of cookies on this website. Conducted by Dept. In our example, the population is the set of all students, that is, the 200 students. Text Book : Basic Concepts and Methodology for If you continue browsing the site, you agree to the use of cookies on this website. (wholly-owned by Universiti Sains Malaysia), Internet Addiction Disorder & Blue Whale Challenge, Pharmacological Management of Bipolar Disorder, No public clipboards found for this slide, Amrita Institute of Medical Sciences and Research Centre. of Statistics is the method of judging collective, natural or social phenomena from the results obtained by the analysis or enumeration or collection of estimates. 4 Obtain types of Variables. STATISTICS – is a branch of Basics Of Statistics PPT Presentation Summary : Statistics presents a rigorous scientific method for gaining insight into data. of Biostatistics, NIMHANS Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Basic Concepts of Probability Suppose a polling organization questions 1,200 voters in order to estimate the proportion of all voters who favor a particular bond issue. See our User Agreement and Privacy Policy. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Statistical Data Analysis Using R November 2012, USAINS Holding Sdn. See our Privacy Policy and User Agreement for details. You should not confuse this concept with the population of a city for example. Explore what probability means and why it's useful. Statistics is used to answer long-range planning questions, such as when and where to locate facilities to handle future sales. Find the median of the set = { 2,4,4,3,8,67,23 } Solution: As we can see the list is not arranged in any … These basic concepts of statistics are important for every data scientist should know. View and Download PowerPoint Presentations on Introduction To Basic Statistics And Research PPT. This is a ppt on Basic terminology of statistics based on my understanding after attending a workshop at NIMHANS. Chapter 2 Reading instructions Ł 2.1 Introduction: Not very important Ł 2.2 Uncertainty and probability: Read ... Explorative statistics aims to find ineresting results that Can be used to formulate new objectives/hypothesis for further investigation in future studies. Basic Biostatistics Concepts and Tools Welcome This material includes a set of instructional modules, each containing a set of slide images accompanied by a video clip version of the associated lecture. mathematics that deals with Course Preliminaries Course Description A Brief Overview of Statistics 1. a. Hypothesis Testing b. Introduction to Basic Statistical Methods Note: Underlined headings are active webpage links! Email. The population does not always have to be people. For example, suppose we measure the weight of 100 patients in a study. 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