# diagrammatic representation of statistical data

1. Diagrams do not present the small differences properly. Draw a histogram for the following table which represent the marks obtained by 100 students in an examination : The class intervals are all equal with length of 10 marks. Diagrammatic Presentation of Data Diagrams are an essential operational tool for the purpose of presentation of statistical data. Tabulation – Orderly arrangement of data in rows and columns. Most of the experts say that it is a hybrid of the histogram and a stem and leaf plot. However, these forms of presentation don’t always prove to be interesting to the common man. center of the circle is divided according to the values of the We use these graphs to compare the data of many individuals. Ø If the data is presented in the numerical form, it will not attract the attention of the audience. Ø A common and simple method of graphical representation of data.. Ø Bar diagram is a chart that presents grouped data with rectangular bars.. Ø Each rectangular bar represents a class.. Ø Height of the bar is proportional to the magnitude of the item in the class. Bars i.e. Unit 2.2 Descriptive Measures Diagrammatic & Graphic Representation of Data In the previous chapter we discussed about the technique of classification and tabulation that help in summarizing the collected data and presenting them in a systematic manner. It is the best way to represent the qualitative data. Most of the statistics students are also well aware of exponentials graphs, logarithmic graphs, trigonometric graphs, cartesian graphs, and frequency distributions graphs. How can you make the comparison interesting? Some of them are as follows: If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Pawan Sarda. The session will be very helpful for Class 11 aspirants. It may be noted that diagrammatic representations of statistical information is appealing to the eyes. Diagrammatic Presentation of Data . Diagrammatic Presentation of Data. This graph breaks each value of a quantitative data set into two pieces. There are three types of bars in this chart i.e., single, stacked, and grouped. two-dimensional diagramiii. Pie Chart or Circle Graph. It is easy to understand and it is one of the most important learning strategies. We can list all the data values in a compact form with the help of this graph. The histogram is another best statistics graph to represent the data. one-dimensional diagram ii. You can either represent the data horizontally or vertically. the sectors of a circle and the whole circle represents the sum of the In the same way, we use the dots which are joined with the help of simple lines. 4. PRESENTATION OF STATISTICAL DATA PART II DIAGRAMMATIC REPRESENTATION OF DATA 0. Categorical data can take on numerical values (such as “1” indicating male and “2” indicating female), but those numbers don’t have mathematical meaning. Presentation of Statistical data 1. Unit: Statistics | Economics Management: Class 11. Ø The data presentation in statistics may be Numerical or Graphical. DIAGRAMMATIC REPRESENTATION OF DATA - Part II. A diagrammatic presentation is a simple and effective method of presenting the information that any statistical data contains. Apart from that, there are other types of statistics graphs, too i.e., the statistics bar graphs, statistics misleading graphs, statistics line graphs, and even statistics bad graphs. It is used to display data based on the horizontal axis and vertical axis. Statisticians commonly used these graphs to represent the data graphically. There are various diagrammatic ways through which data can be represented. Similar Classes. There are different types of graphical representation. In statistical analysis, diagrams are of no use. So if there is a priority for accura… Furthermore, any hidden trend present in the given data can be noticed only in this mode of representation. Apart from that, it offers you the best way to represent and conveniently compare the complex data sets. It easy to understand diagrams even for ordinary people. Diagrams present preliminary conclusions. First of all, we have to keep in mind every graph is different from each other, and we can’t use any types of statistics graphs for different types of data sets. We may calculate the central angles for various components as follows : From the above table, clearly, we obtain the required pie chart as shown below. 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. value of all the components .Clearly, the total angle of 360Â° at the Tabular Presentation of Data “Tabulation involves the orderly and systematic presentation of numerical data in a form designed […] They are objects, mainly geometrical figures such as lines, circles, bars, etc. Just one diagram is enough to represent a given data more effectively than thousand words. The search for an efficient method to enhance data cognition is especially important when managing data from multidimensional databases. Write a suitable title on top which conveys the subject matter in a brief and unambiguous manner. In this type of graph, each value is represented as the dot, and this dot is placed above the appropriate class. It always depends on the type of information in a particular domain. A stem and leaf plot is one of the best statistics graphs to represent the quantitative data. We can’t use the same statistics graphs for both of them. Hindi CA Foundation Course. Diagrammatic presentation of data is a more time consuming process. This document is highly rated by B Com students and has been viewed 846 times. Hindi CA Foundation Course. 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. Effectiveness of cartogram for the representation of spatial data. Diagrammatic representations are omnipresent in many different areas in order to summarize data, to illustrate relationships, or to communicate ideas. rectangles of equal width and usually of varying lengths are drawn either horizontally or vertically. Diagrammatic Representation of Data Types and Data Manipulations in a Combined Data- and Control-Flow Language. Diagrammatic representation of data – uses and limitations – simple, Multiple, ... Statistical maps or cartograms. These can easily be misused. Graphical Representation is a way of analysing numerical data. Diagrams give a very clear picture of data. For this situation, we may also use Pie chart or Pie diagram. Qualitative data means the data is not presented in numerical form. Diagrammatic presentation is a technique of presenting numeric data through Pictograms, Cartograms, Bar Diagrams & Pie Diagrams etc. Start studying Diagrammatic and Graphical Representation of Data - Statistics. Watch Now. Diagrams do not show small differences properly. Limitations of Diagrammatic Presentation. Statistics Most Imp Question For Dec 2020 Exam (Mixed Question) Part - Ended on Oct 18, 2020. Many visual languages only support data of pre-defined types. Download NCERT Solution Class 11 Statistics Presentation of Data free pdf, NCERT Solutions updated as per latest NCERT book, NCERT Solution for Class 11 Statistics for chapter 4 Presentation of DataAnswer the following questions, 1 to 4, choosing the correct answer.Question 1. Bar diagrams for comparing different components of a variable and also the relating of the components to the whole. Diagram provide simple and attractive way to present with data. Disadvantages of Graphical Representation of Data. Here in this blog, we will share with you the top 7 types of statistics graphs commonly used in statistics. These pieces are often known as the stem and the leaf. 3. We will discuss the conceptual points involved in all of them. FOREWORD 0.1 This Indian Standard (Part II) was adopted by the Indian Standards Institution on 10 February 1975, after the draft finalized by the Quality Control and Industrial Statistics Sectional Committee had been approved You can quickly get an idea from this bar that which category has the highest amount of data. Graphical Representation in Maths In Mathematics, a graph is defined as a chart with statistical data, which are represented in the form of curves or lines drawn across the coordinate point plotted on its surface. 4. Here are some general principles of diagrammatic presentation which can help you make them a more effective tool of understanding the data: 1. (iv) Without tabulation, statistical analysis of data is not possible. However, compared to tabulation, this is less accurate. ), Diagrammatic representation and reasoning (pp. It is used to represent the data points in time. The field of statistics is the science of learning from data. Sometimes, the technique uses a three-dimensional visualization which is then projected onto a two-dimensional surface. Meaning of Graphic Representation of Data: Graphic representation is another way of analysing numerical data. 4k watch mins. Scatterplots graphs are one of the famous statistics graphs that use in most of the powerful statistics software. This document is highly rated by B Com students and has been viewed 846 times. It is a mathematical picture. Only a limited set of data can be presented in the form of a diagram. As the name suggests, this graph looks like a circular pie with a few slices. diagrammatic and graphical representation of data 1. We are going to consider the following types of diagrams : When the time series exhibit a wide range of fluctuations, we may think of logarithmic or ratio chart where "Log y" and not "y" is plotted against "t". d] Tabulated data can be easily presented in the form of diagrams and graphs. 5. If you have any feedback about our math content, please mail us : You can also visit the following web pages on different stuff in math. Information Visualization 2017 17: 4 , 316-334 Download Citation. Bar Diagram. The following are the chief objectives of diagrammatic representation of data: (i) To present the data an attractive and impressive manner: The numerical data, as a matter of fact, are very much boring and distractive in nature.They do not appeal to the mind of a common man. Diagrammatic presentation of data is the second method of presenting data this method promotes the quickest understanding of the actual situation to be explained by data in comparison to the tabular representation. A Pareto diagram is also known as a bar chart. A graph is a sort of chart through which statistical data are represented in the form of lines or curves drawn across the coordinated points plotted on its surface. Ø Bar diagram is also called as bar chart. Let us consider years on horizontal axis and profits on vertical axis. Meaning Of Graphical Representation Of Data A picture is said to be more effective than words for describing a particular thing. This is free educational channel which helps students to learn the statistics in very simple language. (2003, 8), (2004, 9), (2005, 6), (2006, 12), (2007, 15) and (2008, 24). Master Quiz feat. Frequency Diagrams: Frequency Data are presented. within a geographical territory. Jun 22, 2020 • 1h . We will discuss the conceptual points involved in all of them. A diagram is a symbolic representation of information using visualization techniques. Sanket Agrawal. Finally, we use Divided Bar charts or Percentage. Diagrammatic Representation of data. Diagrams help in visual comparison and have a bird’s eye view. 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Component or sub-divided Bar diagrams are applied for representing data, divided into a number of components. Represent these data using a suitable diagram. Diagrammatic presentation of data shows only on estimate of the actual behavior of … Before the calculation of descriptive statistics, it is sometimes a good idea to present data as tables, charts, diagrams or graphs. One of the most convincing and appealing ways in which statistical results may be presented is through diagrams and graphs. Diagrammatic presentation of data is a time- consuming process. But the useful graphs are those who can convey information efficiently and effectively to the users. English English. It is an effective and economic device for the presentation, understanding and interpretation … - [Voiceover] What I want to do in this video is think about all of all the different ways that we can represent data. We consider Multiple or Grouped Bar diagrams to compare related series. 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 can’t utilize different data without the use of statistics. Showing line diagram for the profit of an Industrial House during 2002 to 2008. If you want to provide more details about the title, then you can mention them in the footnote below the diagram. The bar of this graph is emphasized with essential categories. If the classes contain the lower frequencies, then it would have the shorter as compared with the taller ones that contain, the higher frequency. However, compared to tabulation, this is less accurate. Diagrammatic Presentation of Data Posted by Anjali Kaur on Dec 24, 2020 Diagrammatic presentation of data is the second method of presenting data this method promotes the quickest understanding of the actual situation to be explained by data in comparison to the tabular representation. Construct a pie chart using the angle measurement. Statistics is one of the most crucial parts of our life. A graphic representation is the geometrical image of a set of data. simple bar diagram to represent the data rectangular bars of equal width and height proportional to the magnitude items are drawn with proper scale. diagram with no dimension The time-series graph is one of the most popular statistics graphs among statisticians. It … Question 1. Get Instant Help! Graphical Representation of Data. â axis chart in somewhat similar situations, if the variables are expressed in different units. There are two types of bar diagrams namely, Horizontal Bar diagram and Vertical bar, While horizontal bar diagram is used for qualitative data or data varying over. It is not that much of a famous statistics graph. 1. c] It saves space and time. Draw a pie chart to represent the above information. Diagrammatic presentation of data is just an approximation of the actual behaviour of the variables. used for comparative study of two or more items of a single variable. (iii) It is a must for diagrammatic representation. Ended on May 14, 2020. (2). a pie chart, the various observations or components are represented by Diagrammatic representation can be used for both the educated section and uneducated section of the society. A two dimensional graphical representation of a continuous frequency distribution is called a histogram. Automating statistical diagrammatic representations with data characterization. Graphs enable us in studying the cause and effect relationship between two variables. Boost Your Grades, With Statistics Experts. space, the vertical bar diagram is associated with quantitative data or time series data. It can be done by the diagrammatic representations of data. Furthermore, any hidden trend present in the given data can be noticed only in this mode of representation. Histogram. 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.

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