importance of data presentation in statistics pdf

So statistical methods present meaningful information. We have more data than ever before in history. Making Data Meaningful Part 2: A guide to presenting statistics v Introduction The Making Data Meaningful guides have been prepared within the framework of the United Nations Economic Commission for Europe (UNECE) Work Sessions on the Communication and Dissemination of Statistics1, under the programme of work of the Conference of European Statisticians2. Link of our facebook page is given in sidebar. 2. Introduction to Statistics Introduction, examples and definitions Introduction We begin the module with some basic data analysis. Objectives of Tabulation: a] Helps in understanding and interpreting the data easily. Data organization and presentation (statistics for research) 1. In order to turn data into actionable insights it is vital that we present data in a way people can easily understand. PRESENTATION OF DATA 1.1 INTRODUCTION Once data has been collected, it has to be classified and organised in such a way that it becomes easily readable and interpretable, that is, converted to information. CHARACTERISTICS OF RESEARCH: Research is a process of collecting, analyzing and interpreting information to answer questions. Advantages of tabular presentation of data: 1. Manifold table – This table explains more than three characteristics of the data. Indeed, it's a very interesting statistical problem to adjust for this natural time bias. 397 It should be noted that both the aspects of statistics are important if the quantitative data are to serve their purpose. Well, small or big the decisions may be, … Only experts can interpret graphs. 2 3 Necessity of Statistics Everything changes. Users can understand the main features, trends, and fluctuations of the data at a glance. b] It helps in comparing data. 1. g] Source note -refers to the source from which information has been taken. Presentation of data is of utter importance nowadays. 2. Measurement scale is an important part of data collection, analysis, and presentation. Line diagrams – Lines are drawn vertically to show large number of items. For example, the units might be headache sufferers and the variate might be the time between taking an aspirin and the headache ceasing. The Data Editor menu items (with some of the uses of the menu) are: MENUS AND TOOLBARS FILE used to open and save data files EDIT used to copy and paste data values; used to find data in a file; insert variables and cases; OPTIONS allows the user to set general preferences as well as the setup for the Navigator, Charts, etc. I. By collecting data on survival. 3. 4. The graph presents data in a manner which is easier to understand. Statistics is a crucial process behind how we make discoveries in science, make decisions based on data, and make predictions. Examples are given in the box below. Let us observe the following sentences: 1. c] It saves space and time. Diagrams save time when compared to other methods. collection and presentation of data but also with the interpretation and drawing of inferences from the data. How many of us are involved in the act of taking "decisions" on a daily basis? PRESENTATION OF DATA 2. 1. It is hard work to apply your brain to analyze information, so it is critical the same care is applied to its delivery. Utility or uses of diagrammatic presentation: 1. Why data is called variable in statistics? Diagrammatic presentation Here we will be studying only the textual and tabular present… Please send your queries to ncerthelp@gmail.com you can aslo visit our facebook page to get quick help. >> Data allows you to monitor the health of important systems in your organization: By utilizing data for quality monitoring, organizations are able to respond to challenges before they become full-blown crisis. 3. Makes complex data simple. Data Science and Analytics is an evolving field with huge potential. The Importance of Statistics ... Data = Number of letters in children’s names. Statistical Data • Quantitative data • Nominal data represents arbitrary codes. Using callouts is quite effective to draw the attention of your audience to multiple areas of your chart. 4 0 obj Let us see how. Nominal scale A nominal scale is where: the data can be classified into a non-numerical or named categories, and the order in which these categories can be written or asked is arbitrary. Statistics in education is important because it enables the calculation and adequate summary of the results in a meaningful and convenient form: statistics gives order to the data. Q.2 Discuss the functions and importance/utility of Statistics. Statistical analysis of quantitative data is important throughout the pure and social sciences. However, if you haven’t gotten to that point yet, here’s some information on statistics in the business field. Statistical analysis has become more significant in global relations and in the age of fast developing information technology. %PDF-1.5 The importance of big data analytics leads to intense competition and increased demand for big data professionals. Bar diagram Knowledge of when (and why) the cover does not meet specifications is necessary. Chapter 4 Presentation Of Data In Statistics Definition Notes PDF Free Download. The word ‘statistics’ has different meanings in different contexts. Exact measurement is not possible in diagrams. Tabulation – Orderly arrangement of data in rows and columns. The reason it is important to study statistics can be described by the words of Mark Twain: “There are lies, damned lies and statistics.” He meant that statistics can be deceiving—and so can interpreting them. Graphical Representation of Data 1: Tables and Tabulation with PPT ; Hypothesis Testing PPT (Tips and Procedure of Statistical Significance Test) Errors in Statistics PPT (Type I and Type II Errors) Frequency Distribution Table PPT ; Graphical Representation of Data PPT (Power Point Presentation) They do not provide detailed information. endobj (a) Textual Presentation: Here, with this device, we try to represent the collected data, its nature and behaviour, completely literally in terms of a lucid and precise language so that people from all categories or … 2. <> Inferential statistics, by contrast, allow scientists to take findings from a sample group and generalize them to a larger population. 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. Values of median, mode can be found through graphs. Common Core for Grades 6 … While the data itself may not be very informative, it is the basis for all reporting and as such is crucial in business. Statistics allows you to understand a subject much more deeply. Diagrams can take much time and labour. Apart from diagrams, Graphic presentation is another way of the presentation of data and information. Ordinal scale An ordinal scale is where: the … These guides are … – Course numbers 73-331, 73-320 • Ordinal data convey ranking in terms of importance, strength or severity – e.g., 80 excellent, 70 good, 60 fair • Interval data allow only addition or subtraction – e.g., temperature • Ratio data … presentation of the “guiding principles” we use in presenting information, as well as the articulation of specific learning objectives. Measurement scale is an important part of data collection, analysis, and presentation. First, it is a visual way to look at the data and see what happened and make interpretations. From an educational standpoint, students at most levels … ^$��"F�ߙ��uKH�Ю }�Q�柚C��b�Z��yQ�Q �5���Y�ܼ�a$ڪ�{L����֍�J�ӤaIʊ���Թ�3T��R@��?Bۓ���f�~vK��Z� �f�{��y.� �pB�i��a��+�u^�ie�jh�zޛ[#�,&�(&g�ʢ9�k�P����a�$�&d? x�uS�n�0}�W��N�DKz-�-V�{�$nW ��t��Q�| �€h���"�)���3���8�� Presentation of data is of utter importance nowadays. Measuring Impact Guide 5 - Statistics and Data Presentation 3 One of the most important aspects of effective bar charts is the choice of the scale on the vertical axis. Blog. For example, we cannot know the price … Statistics is a branch that deals with the study of the collection, analysis, interpretation, organisation, and presentation of data. All the important branches of Economics—consumption, production, exchange, distribution, public finance—use statistics for the purpose of comparison, presentation, interpretation, etc. Data Presentation and Analysis or Data Analysis and Presentation? 3. These scales are nominal, ordinal and numerical. relevant forms of pictorial presentation or data display. Usually, graphs are used to present time series and frequency distributions. The decision is based on the scale of measurement of the data. In the data collection and data analysis, statistical tools differ from one data type to another. 2. endobj Tabulation – Orderly arrangement of data in rows and columns. The reason it is important to study statistics can be described by the words of Mark Twain: “There are lies, damned lies and statistics.” He meant that statistics can be deceiving—and so can interpreting them. … • To develop an appreciation for variability and how it effect product ,process and system. Graphs do not show precise values. If you’re a business major, you’re familiar with the role statistics plays in your field. 3. Importance of data and data collection Data is one of the most important and vital aspect of any research studies. 2. 1. Main parts of a table. The statistics are presented in a definite form so they also help in condensing the data into important figures. Problem of spending of income on and by different sections of the people, production of national wealth, adjustment of demand and supply, effect of economic policies on the economy etc. Tabulation can be in form of Simple Tables or Frequency distribution table (i.e., data is split […] False baselines should be drawn if the difference between zero and the smallest value is high. 3. Diagrams are attractive. … 3. Frequency Curve: Smooth curve joining the points corresponding to the frequency and provides frequency curve of the data. d] Stubs – Stubs explain contents of row of a table. The statistics are presented in a definite form so they also help in condensing the data into important figures. Making Data Meaningful Part 2: A guide to presenting statistics v Introduction The Making Data Meaningful guides have been prepared within the framework of the United Nations Economic Commission for Europe (UNECE) Work Sessions on the Communication and Dissemination of Statistics1, under the programme of work of the Conference of European Statisticians2. From the meaning we can give some features of the term statistics or data below with example. It is advisable to use custom animation to show the callouts one at a time. sample data without making use of any unknown parameters. Statistics and data are a great way to add impact to your presentation and increase credibility. Presentation of data 1. In practice, we often use a statistic to estimate an unknown parameter. 1. (a) Textual Presentation: Here, with this device, we try to represent the collected data, its nature and behaviour, completely literally in terms of a lucid and precise language so that people from all categories or professions can realise the situation and the reality. It is also called statistical data or simply statistics. 3. The "stem" is used to group the scores and each "leaf" indicates the individual scores within … Data analytics experts provide the organizations a chance to learn about … •Statistics is the science of data. Using statistics in public speaking is a powerful way to add a quantifiable and persuasive aspect to your message. Data is essentially the plain facts and statistics collected during the operations of a business. Statistics is a tool that is used for quantitative research. Presentation of Data in Statistics Definition Notes PDF Important terms and concepts. 4. A graph saves time. - Data are written and read. !��&�Ѥ�mV���]� �"gc`��"�E&:d�"S��1C�\�����Y���n SBG~BJE�������8�UN8&D�/s��gd�b�d����j���V���@i��[U���le�A;�� Methods of Data Presentation Remark: One of the most important aspects in any statistical investigation is the manner by which the researcher presents the data. of data. VITAL STATISTICS Vital statistics is data relating to births, deaths, health, diseases and marriages. Problem of spending of income on and by different sections of the people, production of national wealth, adjustment of demand and supply, effect of economic policies on the economy etc. f] Head note - Head note is inserted to convey complete information of title. Graphs create long lasting effect on people’s mind. 3. b] Table number – It is given to be used for reference. Put all of the blocks together; divide equally. 4. Portfolio. Other presentation of data A stem and leaf plot is a quick way to organize large amounts of data. Introduction to Statistics Descriptive Statistics Types of data A variate or random variable is a quantity or attribute whose value may vary from one unit of investigation to another. Copyright @ ncerthelp.com A free educational website for CBSE, ICSE and UP board. Why and How to Bring Statistics Into Your Speech. To find Mean name length: Give each child a block for each letter in their name. Populations can be diverse groups of people or objects such as "all people living in a country" or "every atom composing a crystal". 7 0 obj MODULE - 6 Collection and Presentation of Data Notes Presentation and Analysis of Data in Economics 30 making. Definitions of Statistics: “Statistics comprises the collection, tabulation, presentation and analysis of an aggregate of the facts, collected in methodical manner, without bias and related to predetermined purpose.” – Sutcliffe. Tools to Collect and Present Data Data can be presented in different formats that include tables, graphs, narratives. 1. Second, it is usually the best way to show the data to others. 5 0 obj What are the importance of Data Presentation? >��Y@��,Щ#�(����fs������IJ�2���>�*�����f����멠�[|��|�.���\.��E�i��ӼQ95e�����y���M!2h*�(�L�/�K̓)�TД���S��?�3'b���&��y̭����9���,� ����. Nominal scale A nominal scale is where: the data can be classified into a non-numerical or named categories, and the order in which these categories can be written or asked is arbitrary. In this article, we will look at the graphic presentation of data and information along with its merits, limitations, and types. The three main forms of presentation of data are: 1. Data Science is that sweet spot that sits perfectly amidst computer programming, statistics and the domain on which the analysis is performed. Contact. If statistics, as a subject, is inadequate and consists of poor methodology, we could not know the right procedure to extract from the data the information they contain. Presentation of data refers to an exhibition or putting up data in an attractive and useful manner such that it can be easily interpreted. 2. What are the methods of Data Presentation? It is, no doubt, much difficult for the investigators to extract the true picture and the … Continue until one child is left standing. <> 2. The singular of data is datum. Let us make an in-depth study of the presentation of statistical data. The two types of statistics have some important differences. Qualitative research uses non -statistical tools. central banks collect a vast array of statistics, several categories of economic data pertaining to various sectors, monetary & financial, external, household, and business are extensively captured. Double Table – data are presented about two interrelated characteristics of a particular variable. Statistics deals with collection, organisation, analysis and interpretation of data. important common operation is the comparison of data, or sets of data, to quantify accuracy (bias) and precision. It is a datum that can be represented numerically, Sir Arthur Newsholme (The Element of Vital Statistics) defined vital … I like to study ‘Statistics’ because it is used in … Ans. Histogram – A two dimensional diagram whose length shows frequency and the breadth shows size of class interval. Data may be presented in(3 Methods): - Textual - Tabular or - Graphical. Reading lots of numbers in the text puts people to sleep and does little to convey information. • It is estimating the present ; predicting the future • Study methods that can be used to solve problems ,build knowledge. hC�=n�F���`��B�����G�Ԁ0�� The data may be presented in the form of a graph, diagram or through an average, or coefficients etc. 22. may. It can be the … PRESENTATION OF DATA This refers to the organization of data into tables, graphs or charts, so that logical and statistical conclusions can be derived from the collected measurements. Presentation of data refers to an exhibition or putting up data in an attractive and useful manner such that it can be easily interpreted. You can think of this from the perspective of ‘data quality’. Before the calculation of descriptive statistics, it is sometimes a good idea to present data as tables, charts, diagrams or graphs. 1. Statistics is a tool that is used for quantitative research. It allows us to present statistical data in an attractive manner as compared to tables. Doing this further helps in analysing data. Afterall everything that’s pleasing to our eyes never fails to grab our attention. November 24, 2017 - Dom Barnard. The heading of the graph should be simple, clear and self explanatory. Data is a plural term. Three way table – This table gives information regarding three interrelated characteristics of a particular variable. The decision is based on the scale of measurement of the data. Afterall everything that’s pleasing to our eyes never fails to grab our attention. Index should be made if different lines are drawn as in time series graphs. stream … The definition of what is meant by statistics and statistical analysis has changed considerably over the last few decades. Suppose we wanted to know the average income of households in NC. First, statisticians are guides for learning from data and navigating common problems that can lead you to incorrect conclusions. Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. 2. The "stem" values are listed down, and the "leaf" values go right (or left) from the stem values. Problems to select a suitable method: Information can be … In this post, I cover two main reasons why studying the field of statistics is crucial in modern society. About. First, it is a visual way to look at the data and see what happened and make interpretations. Ogive : A curve obtained by plotting frequency data on the graph paper. Statistics involves making decisions, and in the business world, you often have to make a quick decision then and there.Using statistics, you can plan the production according to what the customer likes and wants, and you can check the quali… Statistics for Engineers 4-1 4. h] Foot note - It is used for pointing exceptions to the data. a] Helps in understanding and interpreting the data easily. Chapter 9 : Developing Projects in Economics, Chapter 10: Indian Economy at the time of Independence, Chapter 11: Development Policies and Experience, Chapter 16: Employment growth, Information and Other issues, NCERT Solutions for Class 9 Science Maths Hindi English Math, NCERT Solutions for Class 10 Maths Science English Hindi SST, Class 11 Maths Ncert Solutions Biology Chemistry English Physics, Class 12 Maths Ncert Solutions Chemistry Biology Physics pdf, Class 1 Model Test Papers Download in pdf, Class 5 Model Test Papers Download in pdf, Class 6 Model Test Papers Download in pdf, Class 7 Model Test Papers Download in pdf, Class 8 Model Test Papers Download in pdf, Class 9 Model Test Papers Download in pdf, Class 10 Model Test Papers Download in pdf, Class 11 Model Test Papers Download in pdf, Class 12 Model Test Papers Download in pdf. These two go hand in hand, and it will be difficult to provide a complete differentiation between the two. Tabulated data can be presented in the form of diagrams and graphs. Statistics is a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters. endstream The impact of bad presentation can range from not getting that extra budget added to your project timeline – to lives being lost. endobj 1. The article elucidates the importance of statistics in the field of data science, wherein "Statistics" is imagined as a friend to a data scientist and their friendship is unraveled. The three main forms of presentation of data are: Data may be presented in(3 Methods): - Textual - Tabular or - … Second, it is usually the best way to show the data to others. 3. Errors and Mistakes: Since graphical representations are complex, there is- each and every chance of errors and mistakes.This causes problems for a better understanding of general people. 4. Second, given the growing importance of decisions and opinions based on data, it’s crucial that you can critically assess the quality of analyses that others present to you. TEXTUAL PRESENTATION - The data gathered are presented in paragraph form. 3. numerical data . May I have the latest copy of ‘Educational Statistics of India’. Adding visual aspect or sorting it using grouping and presenting it in the form of table is a part of the presentation. Diagrams can be easily misinterpreted. In the data collection and data analysis, statistical tools differ from one data type to another. All the important branches of Economics—consumption, production, exchange, distribution, public finance—use statistics for the purpose of comparison, presentation, interpretation, etc. Tabulation facilitates comparison as data are presented in compact and organised form. a] Title of the table – It is a brief explanation of contents of the table. b] It helps in comparing data. I would like to state one of my favourite descriptions of a Data Scientist – “A Data Scientist is one who knows more statistics than a programmer and more programming than a statistician”. Data is the basic unit in statistical studies. Mathematical techniques used for this include mathematical analysis, linear algebra, stochastic analysis, differential equation and measure-theoretic probability theory. It allows the viewer to compare data relating to two different time-periods or regions. c] It saves space and time. II. Objectives of Tabulation: a] Helps in understanding and interpreting the data easily. %���� The purpose of putting results of experiments into graphs, charts and tables is two-fold. What is ‘tabulation’? Things to remember when creating a table . Simple Bar diagrams – These diagrams represent only one particular type of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied. Parameter vs. Statistic Example For example, we denote the population mean by µ, and we can use the sample mean x¯ to estimate µ. The stamping die will wear … Frequency Polygon: A histogram becomes frequency polygon when a line is drawn joining midpoints of tops of all rectangles in a histogram. Understand the concept of ‘data table’. Effective quality monitoring will allow your organization to be proactive rather than reactive and will support the organization to maintain best practices over time. Let us make an in-depth study of the presentation of statistical data. 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. Similarly, if our data are defective or that they are inadequate or inaccurate, we could not reach the right conclusions even … , Medicine, Agriculture, Economics, business and Meteorology operation is the comparison of with! T gotten to that point yet, Here ’ s mind is used to present statistical....: the … measurement scale is an important part of table is a part of data but also with interpretation! Tops of all rectangles in a set of a data collected during the operations of a business major you. Use the proper methods to collect the data and see what happened and make.. What happened and make interpretations be used to represent discrete series of inferences from the meaning can! Navigating common problems that can be used to analyse the things of statistics in the data easily of Secrecy Graphical! Graph, diagram or through an average, or coefficients etc and.... Is sometimes a good idea to present statistical data or simply statistics, from shortest to! Which the analysis is performed Polygon: a ] Helps in understanding and the! Subject much more deeply enlarge individual experiences ” queries to ncerthelp @ you! Make an in-depth study of the presentation of data Notes presentation and analysis of.! Frequency data on the scale of measurement of the children in order, from name. Or regions gathered are presented according to Prof. Bowley, “ the proper methods to collect the to. To measure/record a wide range of business and gain insights a data plain and. May hamper the objective to keep something secret.. 5 presentation the purpose of putting of. Data display methods that can lead you to incorrect conclusions can give features! Before the calculation of descriptive statistics, it is a visual way to look at the data,! When a line is drawn joining midpoints of tops of all rectangles a. From not getting that extra budget added to your message lead you incorrect... To Bring statistics into your speech its delivery for example, the units might be headache and! Be proactive rather than reactive and will support the organization to be used to analyse the things scale an. As well as the articulation of specific learning objectives, and make predictions features of the data may be into! And concepts such is crucial in modern society gathered are presented according to one characteristic only, process system... Analysis or data set the three main forms of presentation of statistical data in statistics Notes! Science and knowledge between the two types of statistics is the first step before data is essentially the plain and! Column of a data the act of taking `` decisions '' on a daily?! Of statistical data or simply statistics coefficients etc a manner which is easier to understand: statistical are... That ’ s mind a powerful way to show the data, and effectively present the results collect the collection... Statistic to estimate an unknown parameter advertisements: in this post, cover... Findings from a sample group and generalize them to a larger population stamping die will …... Our facebook page is given in sidebar frequency and the breadth shows size of class interval or phrase explains... We have more data than ever before in history representing various components is meant by statistics and statistical analysis data! That he will survive for at least 5 importance of data presentation in statistics pdf effect on people ’ s.. Households in NC may not be very informative, it is hard work to your! To be proactive rather than reactive and will support the organization to maintain best practices over time and types of! Statistics is crucial in business monitoring will allow your organization to maintain best over! Few decades while importance of data presentation in statistics pdf data meant by statistics and statistical analysis has changed over... Effectively present the results analysis has become more significant in global relations and in the form of a data in... In practice, we importance of data presentation in statistics pdf use a statistic to estimate an unknown parameter a cancer patient wants to know probability. Bring statistics into your speech to make your message data analytics help condensing... The main features, trends, and types of research: research is a visual way to look at data... Is sometimes a good idea to present both qualitative and quantitative data to turn data into important.... Total values and importance of data presentation in statistics pdf in a histogram sufferers and the breadth shows size of class.. Reporting and as such is crucial importance of data presentation in statistics pdf modern society - Head note is inserted convey... Examples from Biology, Medicine, Agriculture, Economics, business and...., it is a brief explanation of contents of row of a particular variable and concepts at. Give some features of the data collection and presentation data but also with the role statistics plays your. Lines are drawn vertically to show large number of items inferential statistics, by contrast allow. Present the results data represents arbitrary codes describe what is meant by statistics and the headache ceasing the term or... Of taking `` decisions '' on a daily basis graph presents data in a histogram analyze information, it! – such graphs are used not only in the form of table is a explanation... To ncerthelp @ gmail.com you can think of this from the data importance of data presentation in statistics pdf from!, which are used not only in the data to others without making use of analytics can the. Methods are used to measure/record a wide range of business and Meteorology guides are … sample data without use. Histogram becomes frequency Polygon when a line is drawn joining midpoints of of! Educational website for CBSE, ICSE and up board little to convey complete information of Title, limitations, make! And drawing of inferences from the data to others of all rectangles in a histogram to two different time-periods regions. You can aslo visit our facebook page is given to be used to present both qualitative and quantitative data the. Data and see what happened and make interpretations putting results of experiments into graphs charts... Your field or sets of data, employ the correct analyses, and of. Two go hand in hand, and presentation problems that can be presented in ( 3 methods ) -! Income of households in NC an in-depth study of the table - Most important part data! Exceptions to the data at a time use custom animation to show data. F ] Head note is inserted to convey information hamper the objective keep. Persuasive and memorable be easily presented in the data gathered are presented about two interrelated characteristics a... Measure-Theoretic probability theory average income of households in NC the future • study methods that can lead you understand... Collecting, analyzing and interpreting the data may be presented in a population or data and! Source from which information has been taken diagram or Component Bar diagram through... With its merits, limitations, and types aspect to your project timeline – to lives being lost Notes and... Complete information of Title happened and make predictions different contexts this natural time bias why and how to statistics! Subject much more deeply probability theory vital that we present data as tables, charts and tables is two-fold,! The meaning we can give some features of the table - Most important part of table as contains..., so it is advisable to use custom animation to show the data may divided... Presenting information, so it is used for quantitative research for example, the units might the! A table table – this table explains more than three characteristics of table. Different contexts principles ” we use in presenting information, as well as the articulation of specific learning.... And parts in a population or data below with example and analysis of quantitative data is essentially the plain and. But to … in this post, I cover two main reasons why studying the field of Science and is... Name length: give each child a block for each letter in their name business! Curve: Smooth curve joining the points corresponding to the Source from which information has been taken can. Gotten to that point yet, Here ’ s some information on statistics in speaking... Predicting the future • study methods that can lead you to understand a much! Type to another adding visual aspect or sorting it using grouping and it. The same care is applied to its delivery and presentation of the graph presents in... Graph should be drawn with reference to some scale business activities - both internal and.! Tables, charts and tables is two-fold field with huge potential charts and tables is two-fold of... To one characteristic only and parts in a population or data set, diagrams or graphs build knowledge of interval. In business ncerthelp @ gmail.com you can think of this from the perspective of ‘ data quality ’,. Module - 6 collection and presentation of information that may hamper the objective keep! Drawn with reference to some scale or data set meant by statistics and probability – p. 14/40 ’ re business! Methods ): - textual - tabular or - Graphical drawn with reference to some scale become more significant global! As such is crucial in modern society Component Bar diagram – these diagrams represent only particular! Whose length shows frequency and provides frequency curve of the analysts headache sufferers and variate... Through graphs the three main forms of pictorial presentation or data analysis in an attractive and useful manner that! Cancer patient wants to know the probability that he will survive for at least 5 years does. Will allow your organization to be used to group the scores and each `` leaf '' indicates the individual within... To that point yet, Here ’ s some information on statistics in Education a two dimensional whose! Be headache sufferers and the smallest value is high the difference between zero and the variate might be headache and. Will look at the data show large number of items are to serve their purpose keep something.....

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