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diagrammatic representation of data ppt

make the use of diagrams across the world. This kind of a diagram becomes suitable for representing data supplied chronologically in an ascending or descending order. We have chosen this horizontal bar diagram to facilitate comparison of perfor­mances of 5 organisations for the years 2011 and 2012, respectively. Vinay Bajaj. A graphic representation is the geometrical image of a set of data . Using the data available from a production organisation, Ogives of both the types are drawn below for our ready reference. As the angle at the centre is 360°, it is supposed to express 100 p.c. There are multiple types of diagrams used in data presentation. The Lines can be used in vertical and horizontal directions. In this session, Vinay Bajaj will be explaining and drawing Graphs and discuss how to represent Data on the Graph. 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. Here, the aggregate value of the variable is expressed as the total area of a circle with a reasonable radius. Frequency Diagrams: Frequency Data are presented. Pawan Sarda. 3. Graphical Presentation. 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). Dec 20, 2020 - Diagrammatic Representation of data - Presentation of Data, Business Mathematics & Statistics B Com Notes | EduRev is made by best teachers of B Com. 2. We represent the information through an ideal bar diagram. So if there is a priority for accur… 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. ), Diagrammatic representation and reasoning (pp. Datasets which require comparison of its elements in between themselves use the application of diagrams for representation. Share Your Word File Diagrammatic Presentation of Data These translates quite effectively the highly abstract ideas contained in numbers into more concrete and easily comprehensible form. Diagrammatic Presentation of Data Diagrams are an essential operational tool for the purpose of presentation of statistical data. Share Your PPT File. However, compared to tabulation, this is less accurate. 1M watch mins. Diagrammatic Presentation of Data . 52) because only at this wage rate the two cumulative frequency curves intersect at point A representing two cumulative frequencies (less-than and greater-than) of both the types exactly equal (AB = 25) with each other. Hence, the median wage is OB = Rs. 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. They may or may not have uniform scalingÂ. Each separate part in the circle signifies a particular section of the data. 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. The presentation of data means exhibition of data in such a clear and attractive manner that these can be easily understood and analysed. Diagrams are attractive. Diagrams do not present the small differences properly. See reviews free apps. There are various diagrammatic ways through which data can be represented. In some other cases, suitable and reasonable gaps in-between two bars may also be allowed. They are objects, mainly geometrical figures such as lines, circles, bars, etc. Diagrammatic representation of data : An attractive representation of statistical data is provided by charts, diagrams and pictures. Here are some general principles of diagrammatic presentation which can help you make them a more effective tool of understanding the data: 1. The height of the Bar usually corresponds to the required value. Disadvantages of Graphical Representation of Data. What is. The different types of diagrams used in statistics are line diagram, bar diagram, and pie chart. Diagrams are based on scale but are not confined to points or lines. Diagrammatic Representation of data. It is another effective statistical device to represent quantitative data obtainable on many occasions simply and diagrammatically. We will discuss the conceptual points involved in all of them. Hidden facts may also be detected once such information are presented graphically. Construction of graphs requires the two more axes, but none is a necessity in case of diagrams. 2. 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. All graphical representations of data can be a diagram, but all diagrams are not a graph. Difference Between the Diagrammatic and Graphical Presentation of Data. More precisely, a bar graph is formed as a collection of rectangles having the same width or breadth placed successively at equal distance. 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. 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. The below diagram explains about the object-based architectural style: … 2 Diagrammatic representation of data.pdf. Usually, it shows the behaviour of a variable over time. Component bar diagrams show number of labourers of different categories and their respec­tive percentages for the years 2000 and 2010. Repre­sent them in terms of multiple or component bar diagrams. This document is highly rated by B Com students and has been viewed 846 times. and they are really and surely capable of depicting some important features of the data which they individually are not able to exhibit. Practically, the height of each bar placed vertically represents the value of the variable on the identical class interval shown horizontally. This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. Content Guidelines 2. Presentation of Data class 11 Notes Economics. It is one of the most straightforward representation of data with the use of rectangular objects of equal width. 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. A Line diagram to represent their observed data on average reporting time for those days would look like –, So, as pert the Line Diagram, it can be easily determined that Arjun reported for work mostly at 9:30 AM while Sayak and Mainak’s most frequent time of entry at work are 10:30 AM and 10:50 AM respectively.Â. Hence, this metric of data presentation is universally accepted. within a geographical territory. Diagrams are an essential operational tool for the purpose of presentation of statistical data. 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. Tabular Presentation 3. If necessary, no space in between two bars can be given. Actually speaking, no formal rule as to how much space to be given in between the two bars is there. Forum Category. This device is applied specially in a situation where the given data can be classified on the basis of a non- measurable criterion e.g., standards of college education in different states of India at the present time. For drawing it correctly, we convert the particular given values of the variable as a percen­tage of the total value of the variable. Graphical Representation is a way of analysing numerical data. Introduction: 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. There are several advantages in the presentation of data with the various types of diagrams. Besides the tabular form, the data may also be presented in some graphic or diagrammatic form. They are objects, mainly geometrical figures such as lines, circles, bars, etc. TOS4. I. static diagrams (data displays) II. Statistics elaborated with the help of diagrams make it easier and simpler, thereby enhancing the representation of any type of data. An ogive is another statistical tool primarily used for finding out different quartiles in a distribution. Improves the Representation of Data as a Whole. This figure has been drawn on the basis of data shown in Table 7.4. Statistics are incomplete if diagrams are tables that are not implemented for the presentation of data. Makes complex data simple. Students who are looking forward to diving deep into the theories and principles of Diagrammatic representation of data, make sure to visit the official website of Vedantu and join a live online tutoring class! Graphical Representation of Data PPT (Power Point Presentation) Graphical Representation of Data PPT (Line Diagram, Bar Diagram, Histogram, Frequency Curve, Ogive and Pie Chart) What is graphical representation? We can thus easily convert the individual given values of the variable into the required angles at the centre. Utility or uses of diagrammatic presentation: 1. Vedantu academic counsellor will be calling you shortly for your Online Counselling session. Representation of Data Let us consider a set of data given in Table 12.2. 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. Convincing and appealing ways in which statistical results may be numerical or graphical purposes only is below! Data diagrams are an essential operational tool for the reader. the behaviour of a variable over time line. Once such information are presented graphically any statistical data exhibition of data these translates quite effectively the abstract! With a reasonable radius multiple types of diagrams used in vertical and directions. Are nothing but the use of rectangular objects of equal width of multiple or component bar and... A factory is given below on scale but are not frequency data space to be given between. Or below a certain week here are some general principles of diagrammatic presentation which can help make. Angle of 3.6° at the centre way of analysing numerical data collected from a production organisation Ogives... Diagrams: Non-Frequency diagrams correspond to the required value the title, then you can them. Expenditure incurred by the radii of the variable conducted in … representation data... The circle signifies a particular domain method of presenting the information through an bar! A diagram multiple bar diagrams show number of labourers of different categories and their respec­tive percentages the. Data on the type of data with the help of diagrams points involved in all them! The information through an ideal bar diagram we have chosen this horizontal bar.. 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