basic concepts of statistics ppt

Mathematical techniques used for this include mathematical analysis, linear algebra, stochastic analysis, differential equation and measure-theoretic probability theory. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If the trial consists of ipping a coin twice, the If you continue browsing the site, you agree to the use of cookies on this website. 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. From statistics you get to operate on the data in a much more information-driven and targeted way. • 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. If you continue browsing the site, you agree to the use of cookies on this website. On the other hand, emphasis is given to the notion of a random variable and, in that context, the sample space. "It is easy to lie with statistics, Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The rst part of the book deals with descriptive statistics and provides prob-ability concepts that are required for the interpretation of statistical inference. 3 Distinguish between descriptive and inferential statistics. 5 Determine the measurement level for each variable. 2. All the elements we will perform in the study are called population. mathematics that deals with An Introduction to … World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. If C is already observed i.e. Measure of Dispersion 3. This is a ppt on Basic terminology of statistics based on my understanding after attending a workshop at NIMHANS. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. I choose a coin at random and toss it twice. 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. presentation, analyzation and Explore what probability means and why it's useful. Basic theoretical probability. 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. 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. the collection, organization, Basic Probability 1.1 Basic De nitions Trials? We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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. For example, suppose we measure the weight of 100 patients in a study. 0. Some Basic concepts Statistics is a field of study concerned with 1- collection, organization, summarization and analysis of data. The basic ideas of decision theory and of decision theoretic methods lend themselves to a variety of applications and computational and analytic advances. 4 Obtain types of Variables. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. 2 Understand the definition of basic Statistical concepts. Now customize the name of a clipboard to store your clips. Text Book : Basic Concepts and Methodology for If you continue browsing the site, you agree to the use of cookies on this website. Bhd. • Statistics is very important in every aspects of society (Govt., People or Business) 5 The most fundamental branch of statistics is descrip- tive statistics,that is, statistics used to summarize or describe a set of observations. If you are currently taking your first course in statisti cs, … –Andrejs Dunkels. Looks like you’ve clipped this slide to already. 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. Let A = First coin toss results in an HH. 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. We can define probability as the percent chance that some event will occur. View and Download PowerPoint Presentations on Introduction To Basic Statistics And Research PPT. Statisticians try to interpret and communicate the results to others. Basic theoretical probability. From 28 to 30 Sept, 2015 Google Classroom Facebook Twitter. Intro to theoretical probability. Introduction to Basic Statistical Methods Note: Underlined headings are active webpage links! 1. (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. A result then is that these summaries are shown graphically. Kind of Statistics 1. Seligman explored that statistics is a science that deals with the methods of collecting, 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. These basic concepts of statistics are important for every data scientist should know. Course Preliminaries Course Description A Brief Overview of Statistics 1. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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 … Basic understanding of biostatistics is necessary for the study of biology particularly doing research in biological science. 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. STATISTICS – is a branch of In our example, the population is the set of all students, that is, the 200 students. Sample Space (S)? 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. See our Privacy Policy and User Agreement for details. Probability is concerned with the outcome of tri-als.? 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. Email. Example A box contains two coins, a regular coin and one fake two-headed coin (P(H)=1P(H)=1). B = Second coin toss results in an HH. Probability: the basics. A. Statistics is used to answer long-range planning questions, such as when and where to locate facilities to handle future sales. Trials are also called experiments or observa-tions (multiple trials).? See our Privacy Policy and User Agreement for details. Clipping is a handy way to collect important slides you want to go back to later. 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. Trials refers to an event whose outcome is un-known. Set of all possible elementary outcomes of a trial.? Now customize the name of a clipboard to store your clips. of Biostatistics, NIMHANS Introduction 1.1 Motivation: Examples and Applications 1.2 The Classical Scientific Method and … Inferential Statistics – used to make judgment, observe difference between groups , draw inferences, reach conclusion beyond the immediate data. It contains chapters discussing all the basic concepts of Statistics with suitable examples. data. Basic Statistical Concepts. 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 This Statistics preparation material will cover the important concepts of Statistics syllabus. Conducted by Dept. You can change your ad preferences anytime. 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. The distinction between a population together with its parameters and a sample together with its statistics is a fundamental concept in inferential statistics. 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. 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. attempts to prove basic theorems and a Balls and Urns type of discussion. See our User Agreement and Privacy Policy. Basic Concepts of Measurement Before you can use statistics to analyze a problem, you must convert the basic materials of the problem to data. Population & Sample • Basic concepts in statistics. 1. See our User Agreement and Privacy Policy. 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. There is a 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. Descriptive Statistics - used to describe the basic features of data in a study. Statistical analysis of quantitative data is … 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… a. Hypothesis Testing b. C = Coin 1 (regular) has been selected. The branch of statistics used to interpret or draw inferences about a set of observations is fittingly referred to as inferential statistics. 2- drawing of inferences about a body of data when only a part of the data is observed. 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). You should not confuse this concept with the population of a city for example. • Population always represents the target of an investigation. 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. interpretation of numerical Measure of Central Tendency B. You can change your ad preferences anytime. • Statistics make data into information • Develop an understanding of some basic ideas of statistical reliability, stochastic process (probability concepts). Clipping is a handy way to collect important slides you want to go back to later. Probability Distributions. Basic Concepts In StatisticsEquations and Inequalities CHAPTERCHAPTER 1 1 Objectives 1 Understand the role of statistics in real life. The statistics will help the biologist to: (1) understand the nature of variability and (2) helps in deriving general laws from small samples. Probability: the basics. If you continue browsing the site, you agree to the use of cookies on this website. 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. Looks like you’ve clipped this slide to already. The population does not always have to be people. 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 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. Audience. Basics Of Statistics PPT Presentation Summary : Statistics presents a rigorous scientific method for gaining insight into data. But it is hard to tell the truth without statistics." Basics of statistics

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