It is another effective statistical device to represent quantitative data obtainable on many occasions simply and diagrammatically. ADVERTISEMENTS: Let us make an in-depth study of the graphical representation of statistical data. December 9, 2020. A diagrammatic presentation is a simple and effective method of presenting the information that any statistical data contains. Using the data available from a production organisation, Ogives of both the types are drawn below for our ready reference. A line represents the sequence of data connected together against a particular variable.Â. It easy to understand diagrams even for ordinary people. The below diagram explains about the object-based architectural style: … Component bar diagrams show number of labourers of different categories and their respec­tive percentages for the years 2000 and 2010. A Pie Chart would present the collected data as –. Share Your PPT File. For drawing it correctly, we convert the particular given values of the variable as a percen­tage of the total value of the variable. Share. It is a mathematical picture. Example: Arjun, Sayak and Mainak started monitoring their time of reporting for duty for a certain week. So if there is a priority for accur… […] Here are some general principles of diagrammatic presentation which can help you make them a more effective tool of understanding the data: 1. Forum Category. Diagrammatic Presentation of Data . Learn more: Lecture Note in Graphical Representation of Data Part 1, Part 2. A few commonly used diagrams applied on different occasions in various disciplines today are the line diagram, bar diagram, ogive, pie dia­gram and the pictogram (as prescribed in the syllabus). and they are really and surely capable of depicting some important features of the data which they individually are not able to exhibit. Example: In a recent survey, a dataset was created to figure how many participants of the survey thought that Tenure or Tenor is the correct spelling in the field of Banking. While drawing this diagram we consider the given values of the variable horizontally and the corresponding cumulative frequencies (of either type) vertically. Frequency Diagrams: Frequency Data are presented. Effectiveness of cartogram for the representation of spatial data. Improves the Representation of Data as a Whole. ), Diagrammatic representation and reasoning (pp. make the use of diagrams across the world. Hidden facts may also be detected once such information are presented graphically. The presentation of data means exhibition of data in such a clear and attractive manner that these can be easily understood and analysed. Difference Between the Diagrammatic and Graphical Presentation of Data. Diagrammatic representation of data – uses and limitations – simple, Multiple, Component and percentage bar diagrams – pie chart Diagrams Diagrams are various geometrical shape such as bars, circles etc. Usually, these bars are placed either vertically on the horizontal axis or horizontally on the vertical axis and they are thus known as vertical bar chart or horizontal bar chart. Expenditure incurred by the Planning Commission of India on Education in the last 5-year economic plan. 7.3 is drawn below on the basis of Table 7.6. 1.4 Diagrammatic representation of a plant cell Endoplasmic Reticulum 11 1.11 (A) Basic steps in gene expression (Part 2) 12 1.13 Golgi apparatus in a tobacco (Nicotiana tabacum) root cap cell 13 1.5 (A) The plasma membrane, endoplasmic reticulum, and other endosomes 14 1.4 Diagrammatic representation … The session will be conducted in … Two separate line diagrams showing fluctua­tions in the values of exports and imports of India during (1987—96) are shown below: In the diagram drawn above the successive years from the table are shown horizontally and the corresponding values of export and import are shown vertically and the points are located separately on the plane from the middle of the respective years and the lacus of those points exhibit the trend along the line diagrams. They can distinctly and attractively be displayed on a screen for presentation with various colourful lines. Similar Classes. Diagrammatic Presentation of Data gives an immediate understanding of the real situation to be defined by data in comparison to the tabular presentation of data or textual representations. These can easily be misused. Other-wise, it will represent various concave, convex or irregular curves when viewed from the origin. Pro Lite, Vedantu What is. These diagrams are used in a situation where two or more related categories are to be compared simultaneously. A Brief Introduction to Diagrammatic Presentations In order to represent data effectively, one can use this advanced technique called diagrams that gives an interesting form to your Presentation. It enables us to think about a statistical problem in visual terms. Before publishing your Articles on this site, please read the following pages: 1. Diagrams create a lasting impression on the minds of observers. Ogives (of both the types) drawn on the basis of the above data and determination of the median wage: Here, being the middle-most value of the given wage rates, the median wage is found OB (= Rs. 52.00. Limitations of Diagrammatic Presentation. Two or more (but finite number of) line segments can also be drawn on the same quadrant when information on different variables over the same period or time are simultaneously represented using the same unit of measurement along the same axis. Mostly class-intervals are presented via this mode. This is free educational channel which helps students to learn the statistics in very simple language. Further, graphs of statistical data clearly bring out the relative importance of different figures, the trend or tendency of the values of the variables involved can be studied too. I am passionate about blogging. Oct 3, 2020 • 1h 1m . This information should not be considered complete, up to date, and is not intended to be used in place of … Despite the above merits and significance, the diagrammatic representation of data suffers from the following drawbacks : (i) They are not fit for exhaustive study: Diagrams give only a bird’s-eye-view, or an overall picture of a phenomenon.For a layman, who is not capable of going into the details, this sort of picture is enough. As the angle at the centre is 360°, it is supposed to express 100 p.c. In order to know what a Pie Diagram is, it is advised to brush up the fundamentals of the geometrical theories and formula of a Circle. From such a device we can also identify the number of observations lying above or below a certain value of the concerned variable. Disadvantages of Graphical Representation of Data. The diagrammatic representation of a layered architecture if as below: Fig: Layered Architectural Style. While tracing out such a diagram, the usual convention is to show the successive values of the variable under study along the vertical axis in an increasing order and the time dimension along the horizontal axis. Successive values of a variable at different periods or places are plotted as separate points on a two dimensional plane and the locus of all those points joined together form a continuous line segment, called line diagram. I. static diagrams (data displays) II. Diagrammatic representation can be used for both the educated section and uneducated section of the society. 4k watch mins. Not only the presentation is attractive, but it is also the ideal of showcasing a comparison in statistics. diagrammatic synonyms, ... [representation] → schématique ... geography, and other reference data is for informational purposes only. Representation of Data Let us consider a set of data given in Table 12.2. diagrammatic and graphical representation of data 1. Diagrammatic Presentation of Data These translates quite effectively the highly abstract ideas contained in numbers into more concrete and easily comprehensible form. Pro Lite, Vedantu Hence, the use of diagrams helps in the overall statistical concept of data representation. Diagrams are an essential operational tool for the purpose of presentation of statistical data. of Schools Government 4 Local Body Private Aided Private Unaided - - - - - Total 24 1 In Table 12.2, number of schools have been shown according to the management of schools. However, compared to tabulation, this is less accurate. Diagrammatic presentation is classified as given below (i) Bar Diagrams Bar diagrams are these diagrams in which data are presented in the form of bars or rectangles. KHGH. 1M watch mins. Construction of graphs requires the two more axes, but none is a necessity in case of diagrams. Sorry!, This page is not available for now to bookmark. We can thus draw a number of line- diagrams for different data series on the same quadrant. Comparison Operations are More Interactive. Representation of data assisted by diagrams to increase the simplicity of the statistics surrounding the concerned data is defined as diagrammatic representation of data. Cumulative frequency of less than type is zero for the lowest given value of the variable and similarly cumulative frequency of greater than type is zero for the highest value of the variable considered. When the values of the variable under consideration change at a constant rate over the same successive time intervals, the diagram will take the shape of a straight line. 2. Let us imprint simple and suitable examples of bar diagrams be­low: Volume of population in a number of states in India in 2001 is given below—represents the data with the aid of vertical bars. They do not provide detailed information. Horizontal bars show production (in thousands) and profit (Rs. It is another well-known useful statistical weapon to represent raw data decently. They may or may not have uniform scalingÂ. Let us represent a simple pie diagram below constructed with the usual method prescribed and followed for its computation by converting the following information into that diagram. They are objects, mainly geometrical figures such as lines, circles, bars, etc. It is easy to understand and it is one of the most important learning strategies. Fig. Graphical Presentation. value of the variable where 1 p.c. Define diagrammatic. This document is highly rated by B Com students and has been viewed 846 times. 1. A Line diagram to represent their observed data on average reporting time for those days would look like –, A dataset comparing the percentile marks obtained by Shreyasi and Monika in Science subjects in the examination can be represented with the help of a Bar diagram as –, Pictorial Representation of Data - Double Bar Graph, Differences Between Primary Data and Secondary Data, Vedantu Share Your PDF File Hindi CA Foundation Course. Let us now represent a common line diagram below: Line diagrams showing total values of Exports and Imports during 1987-96 have been presented in Fig. Meaning Of Graphical Representation Of Data A picture is said to be more effective than words for describing a particular thing. This kind of a diagram becomes suitable for representing data supplied chronologically in an ascending or descending order. 2 Diagrammatic representation of data.pdf. Diagrammatic Presentation 4. When the various parts of the values of a variable possesses different properties then to express the inherent relationship among them and also with the aggregate value of the variable, pie diagram possibly is the best device. Then we draw a complete circle taking any standard radius and put the angles found from the numerical exercise separately at the centre. This is very often called cross-section data. 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. They can be broadly categorised in the following types of one-dimensional diagrams –, A Line diagram is used to represent a specific data across a varying parameter. The type of diagram suitable for data presentation solely depends on the particular dataset and its statistical elements. A sector is the area of a circle formed by the several divisions done by the radii of the same circle. Commerce Upgrade to Infinity. 2. This kind of a diagram is drawn for a fre­quency distribution of a continuous variable in terms of cumulative frequencies of both the types (more than or less than type). Disclaimer Copyright, Share Your Knowledge Here Fig. Besides the tabular form, the data may also be presented in some graphic or diagrammatic form. Diagrammatic Mode of Presentation: A. Non-Frequency Diagrams: Non-frequency diagrams correspond to the data which are NOT frequency data. Diagrams are based on scale but are not confined to points or lines. Content Guidelines 2. They are collected from a variety of sources (Chapter 1). Presentation of Data class 11 Notes Economics. They are –, Presentation of data with the help of diagrams makes easier for everybody to understand, which thereby makes it easier to grasp the statistics behind the data presented. Hence, the median wage is OB = Rs. thousand) of five organisations of India in the financial year 2011-12. The entire area in the circle is subdivided into a number of parts by several radii which are separately related to the total area of the circle and also maintain the same proportional relation with the angle at the centre. 2. Pie diagram drawn below on the basis of Table 7.8 (B) shows expenditure on education at various stages in the last 5-year economic plan. 3. Conventionally vertical bar charts are formed with the time series data. Diagrams are attractive. What is Diagrammatic Representation of Data? Privacy Policy3. It always depends on the type of information in a particular domain. One of the most convincing and appealing ways in which statistical results may be presented is through diagrams and graphs. You must construct a diagra… The session will be very helpful for Class 11 aspirants. 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