Ø Graphical Representation: It is the representation or presentation of data as Diagrams and Graphs. A time-series graph displays data at different points in time, so it is another kind of graph to be used for certain kinds of paired data. By using visual elements like charts, graphs, and maps, data visualization tools provide an accessible way to see and understand trends, outliers, and patterns in data. The first known use of bar graphs was in 1917. Ø The statistical graphs were first invented by William Playfair in 1786. Advantages: Data visualization is the graphical representation of information and data. Graphical representation is the visual display of data using plots and charts. Data can be organized and summarized using a variety of methods. The data which has been represented in the tabular form can be displayed in pictorial form by using a graph. 7. Graphical Representation of Data. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Similar to a pie chart, a bar graph uses rectangles or narrow columns to show data comparisons. it is used in many academic and professional disciplines but most widely so in the field of mathamatics,medicine and the science. Graphical representation of statistical data is for the sole purpose of easier interpretation. Facts and figures as such do not catch our attention unless they are presented in an interesting way. Tables are commonly used, and there are many graphical and numerical methods as well. As the name implies, this type of graph measures trends over time, but the timeframe can be minutes, hours, days, months, years, decades, or centuries. bar, pie, line chart) that show different types of graph trends and relationships between variables. Graphical representation helps to quantify, sort and present data in a method that is understandable to a large variety of audience. Bar Graph & Pareto Graph. 30 Graphical Representations of Data Visualization techniques are ways of creating and manipulating graphical representations of data. Graphical representation of data is one of the most commonly used modes of presentation for the statistics in the different fields of life. Graphical representation of data is one of the most commonly used modes of presentation. Every type of graph is a visual representation of data on diagram plots (ex. The purpose of graphical communication is transfer message or information to the receiver in effective way.when professional organizations prepare reports then usually use the mode of graphical presentations. GR is often more effective than presenting data in tabular form. A Pareto graph or chart is a type of bar graph that also features a line graph. A graphical presentation (GR) is the easiest way to depict a given set of data. Graphical representation can be used for both the educated section and uneducated section of the society. An attractive representation of data is graphical representation. We use these representations in order to gain bet-ter insight and understanding of the problem we are studying - pictures can convey an overall message much better than a list of numbers. Use an appropriate type of graph and you can communicate your data effectively; use the wrong type of graph, though, and your viewers may misunderstand the story you are trying to tell. Furthermore, any hidden trend present in the given data can be noticed only in this mode of representation. When reading graphs in newspapers and online, be sure to look at the axes, the scale, and the presentation of the data itself. It is a visual display of data and statistical results. The means of graphical representation are graphics. 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