The process of grouping data according to their characteristics is known as classification of data. Data represented through a histogram can help in finding graphically the. Tabulation tabulation is the process of summarizing raw data and displaying the same in compact form i. It is an orderly arrangement which is compact and selfexplanatory. A bar graph can have either vertical or horizontal bars. Tabulation is the first step before data is used for analysis.
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. Graphical representation types, rules, principles and merits. The purpose of data presentation through charts and diagrams is to have a quick visual impression readers can easily understand visual presentations since these have a striking visual impact tables tend to be boring and difficult to perceive. You can compare several catagories by a graph of the. You can also download all the notes of chapter in pdf format from ou. Tabular presentation of data tabulation involves the orderly and systematic presentation of numerical data in a form designed. A special table where each data value is split into a leaf usually the last digit and a stem the other digits. Write down the advantages of tabular presentation of data. Module 6 collection and presentation of data notes presentation and analysis of data in economics 30 making. We can include a huge volume of data in a simple statistical table and. You can compare different quantities or the same quantity at different times.
From the meaning we can give some features of the term statistics or data below with example. Jan 07, 2019 other presentation of data a stem and leaf plot is a quick way to organize large amounts of data. Chapter 10 data handling and presentation this chapter was prepared by a. In any statistical investigation, the collection of the numerical data is the first and the most important matter to be attended. Tables are devices for presenting data simply from masses of statistical data. Apart from diagrams, graphic presentation is another way of the presentation of data and information. Start studying diagrammatic and graphical representation of data statistics. When the data are tabulated according to two characteristics at a time, it is said to be a double tabulation or twoway tabulation. Sep 07, 2015 tabular and graphical presentation of data 1. The presentation of data when significant amounts of quantitative data are presented in a report or publication, it is most effective to use tables andor graphs. The transformation of data through visual methods like graphs, diagrams, maps and charts is called representation of data.
This chapter deals with presentation of data precisely so that the voluminous data collected could be made usable readily and are easily. Download as doc, pdf, txt or read online from scribd. Let us make an indepth study of the graphical representation of statistical data. Dec 07, 2016 this lesson tells us about the graphical representation of data in different graphical ways such as histograms, bar graphs, and frequency polygons. The process of arranging data into different categories, on the basis of nature, behaviour, or common characteristics is called classification. Choose the correct size, lettering, colours etc in such a way that the graph should be a visual aid for the presentation of information. Tabulated data can be easily understand and interpreted. Difference between classification and tabulation with. Chapter1 classification, tabulation and presentation of data t. This lesson tells us about the graphical representation of data in different graphical ways such as histograms, bar graphs, and frequency polygons. Graphic presentation of data and information types of graphs. A process of condensing data and presenting it in a compact form, by putting data into the statistical table, is called tabulation. Unit3 tabulation and graphical representation of data.
It is the duty of a statistician to consolidate the data. Usually, graphs are used to present time series and frequency distributions. Editing coding and tabulation of datamarketing research. Organisation and presentation of data in medical research. Organisation and presentation of data in medical research dr k saji. The objective of this paper is to discuss the statistical data type section a and its presentation section b, which is an important part of biomedical research. Presentation of data in statistics definition notes pdf. Frequency tables are useful methods of presenting data. In a bar graph, however, the categories are displayed as rectangles of equal width with their height.
It is a messy, ambiguous, timeconsuming, creative, and fascinating process. This process is known as classification and tabulation. But more often there is an overwhelming mass of raw data without any structure. It exhibits the relation between data, ideas, information and concepts in a diagram. Like a pie chart, a bar graph is also a way to visually show the differences in frequencies or percentages among categories of a nominal or ordinal variable. Text, tables, and graphs for data and information presentation are very.
Your identity card is also an essential requirement to get an entry in the offices. Firstly, it is worth emphasizing that every table or graph should be selfexplanatory, i. Lecture 2 classification and tabulation nariman yahya othman. Qualitative data analysis is a search for general statements about relationships among categories of data. Presentation of data refers to an exhibition or putting up data in an attractive and useful manner such that it can be easily interpreted. This data, when displayed on a multiple line graph, enables a comparison.
A rectangular arrangement of data in which the data are positioned in rows and columns. Often a person investigating, will have to collect the data from the actual field of inquiry. The most important difference between classification and tabulation are discussed in this article. Part i of the question presented the data in a table, while in part ii. Afterall everything thats pleasing to our eyes never fails to grab our attention. The graphical and tabular methods presented here apply to both entire populations and samples drawn from. In this article we will discuss about the presentation methods of statistical data. In mathematics, a graph is a chart with statistical data that are represented in the form of curves or lines drawn across the coordinate point plotted on its surface. The stem values are listed down, and the leaf values go right or left from the stem values. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Tabulation is the systematic arrangement of the statistical data in columns or rows. Tabulation can be in form of simple tables or frequency distribution table i. Graphical representation is a way of analysing numerical data.
Organisation of data in statistics class 11 notes pdf free downlo. So far we havve looked at tabular and graphical techniques for one variable either nominal or interval data. In fact, now a days it is difficult to find any research work without visual support. Data presentation, data visualization, graph, statistics, table.
While graphical summaries of data can certainly be powerful ways of communicating results clearly and unambiguously in a way that facilitates our ability to think about the information, poorly designed graphical displays can be ambiguous, confusing, and downright misleading. Statistics diagrammatic presentation for all videos of statistics visit. Presentation of data in statistics definition notes pdf important terms and concepts. Statistics for economics class 11 notes chapter 4 presentation of data textual presentation in textual presentation, data are a part of the text of study or a part of the description of the subject matter of study. We use these representations in order to gain better insight and understanding of the problem we are studying pictures can convey an overall message much better than a list of numbers. The present post describes the details of tables and the general rules to be followed when constructing a data table. A contingency table lists the frequency of each combi. The best app for cbse students now provides presentation of data class 11 notes economics latest chapter wise notes for quick preparation of cbse exams and school based annual examinations. Tabulation orderly arrangement of data in rows and columns. The secondary data, thus, collected forms the basis for tabulation and. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Tabulation helps in drawing the inference from the statistical figures.
Read this article to learn about the meaning, principles and methods of graphic representation of data. When data are classified according to a single characteristic, it is called. Mdhom any data collected by a research or reference also known as raw data are always in an unorganized form and need to be organized and presented in a meaningful and readily comprehensible form in order to facilitate further statistical analysis. Creating a good table requires careful consideration to its design.
Usually the collected data will be in questionnaires, schedules or response sheets. The two parts were used in the question to investigate whether. After having gone through the stuff given above, we hope that the students would have understood textual presentation of data. Lecture 2 classification and tabulation nariman yahya othman classification and tabulation the data collected for the purpose of a statistical inquiry some times consists of a few fairly simple figures, which can be easily understood without any special treatment. Tabulation of data on the population of the world classified by two characteristics like religion and sex is an example of a double tabulation. Tabulation facilitates comparison as data are presented in compact and organised form. It involves the orderly and systematic presentation of numerical data in a form designed to explain the problem under consideration. With large amounts of data graphical presentation methods are often clearer to understand. Organisation of data in statistics class 11 notes pdf free download 1. It is easy to understand and it is one of the most important learning strategies. As data are generally voluminous, they need to be put in a compact and presentable form. You can also download all the notes of chapter in pdf format fr.
Data statistics information it makes use of graphical techniques and numerical descriptive measures such as averages to summarize and present the data. Unit3 tabulation and graphical representation of data egyankosh. The purpose of this study was to identify factors contributing to. The presentation of data when significant amounts of quantitative data are presented in a report or publication, it is most effective to use tables and or graphs.
It always depends on the type of information in a particular domain. The question was not testing the ability to arrange data into a table or a graph, but aimed at. Besides textual and tabular presentations of statistical data, the third and perhaps the most attractive and commonly used popular modem device to exhibit any data in a systematic manner is to represent them with suitable and appropriate diagrams and pictures. A graph is a sort of chart through which statistical data are represented in the form of lines or curves drawn across the. In this article, the techniques of data and information presentation in textual, tabular, and graphical forms are introduced. Before the calculation of descriptive statistics, it is sometimes a good idea to present data as tables, charts, diagrams or graphs.
The given data are represented as points on the graph paper. Such a form of the presentation of data makes it easy to understand the patterns of population growth. Graphical and tabular university of texas at dallas. Lecture 2 classification and tabulation nariman yahya. Cbse economics chapter 4 presentation of data class 11 notes economics in pdf are available for free download in mycbseguide mobile app. Text is the principal method for explaining findings, outlining trends. Diagrammatic and graphic presentation 29 6 they have become an integral part of research. Presentation of data is of utter importance nowadays.
Tabular presentation of data is a method of presentation of data. Textual presentation the data gathered are presented in paragraph form. Graphical presentations convey the essence of the statistical data, circumventing the. A table is a set of facts or figures systematically displayed especially in rows and columns. It is also called statistical data or simply statistics. Mar 17, 2018 cbse economics chapter 4 presentation of data class 11 notes economics in pdf are available for free download in mycbseguide mobile app. Diagrammatic and graphical presentations are more intelligible, attractive, and appealing. In this article, we will look at the graphic presentation of data and information along with its merits, limitations, and types. A tabular data presentation is the clear organization of data into rows and columns to facilitate communication. It is a systematic and logical arrangement of data in the form of rows and columns with respect to the characteristics of data. Sep 06, 2018 statistics tabular presentation for all videos of statistics visit. Introduction data analysis and presentation, together with interpretation of the results and report writing, form the last step in the water quality assessment process see figure 2. Introduction you have already learnt in previous chapters how data are collected and organised.
For graphic presentation of a frequency distribution, the paper to be used is. Presentation methods of statistical data statistics. Tabulation of data and types of tabulation study notes for. Finally, the pdf is a file format developed by adobe systems adobe. Presentation of data though the data presented in the form of table yields good information to the educated people, they are not always good for the lay man as the table cannot be understood easily by them. The reason is that this is the most convincing and appealing way of presenting the data. A graphical representation is a visual display of data and statistical results. Tables permit the actual numbers to be seen most clearly, while graphs are superior for showing trends and changes in the data. Tabulation c frequency distribution d cumulative frequency distribution.
Tabulated data can be presented in the form of diagrams and graphs. Data analysis is the process of bringing order, structure and meaning to the mass of collected data. Data can be collected from a source by using different methods. A graphical presentation is the easiest way to depict a given set of data. There are various tabulation and graphical methods used to present the data, which are not possible without proper knowledge of data types. Tables can clearly convey large amounts of information that would be cumbersome to write in paragraph form. Tabular and graphical presentation of data slideshare. Presentation of data class 11 notes economics mycbseguide. In 1786 he published commercial and political atlas, that contains 44 charts. Scales of measurement and presentation of statistical data. It could also be done with the help of photo copying systems. Inventor of graph william playfair17591823 a scottish engineer and political economist, is the first principal inventor of statistical graphs.
1334 612 79 1350 238 1440 393 656 356 1418 247 561 1321 452 50 659 59 787 527 101 388 1506 438 789 1264 336 1101 376 857 925 1049 1015