Show page numbers . Search form. Typically, a graph shows the unreasonable tendency of the data and the actual values are not clear. The viewer does not require prior knowledge of mathematics or statistics to understand a graph. Ø The statistical graphs were first invented by William Playfair in 1786. Graphical representation of data : An attractive representation of data is graphical representation. Line diagram 2. It is easy to understand and it is one of the most important learning strategies. Charts, graphs, and images 4. Practically, the height of each bar placed vertically represents the value of the variable on … Frequency tables are useful methods of presenting data; they do, however, have their limitations. Your email address will not be published. We assure you we will do our best. Similarly, we measure the distance of the point from the X-axis along the Y-axis. The point where the perpendiculars intersect is the position of the point P. We denote it as follows (3, 5) or (abscissa, ordinate). Using the midpoint and the frequency value from the above table, plot the points A (5, 0), B (15, 4), C (25, 6), D (35, 8), E (45, 10), F (55, 12), G (65, 14), H (75, 7), I (85, 5) and J (95, 0). It allows us to relate and compare the data for different time periods. Graphical Presentation of Data Data can be represented in many ways. The graphic presentation of data and information offers a quick and simple way of understanding the features and drawing comparisons. Obtain the frequency distribution and find the midpoints of each class interval. Graphical Presentation of Data | Encyclopedia of Epidemiology Search form. Draw the frequency polygon for the following data. Dashboards For a breakdown of these objectives, check out our course on Excel Dashboards & Data Visualizationto help you become a world-class financial analyst. Sections . The 4 main types of graphs are a bar graph or bar chart, line graph, pie chart, and diagram. Page; Site; Advanced 7 of 230. We cannot use a graph in support of a statement. Also, we can plot different points for a different pair of values. Tabulation is the first step before data is used for analysis. Presentation of data is of utter importance nowadays. Here we will take a look at the most popularly used: pie charts, bar graphs, … Here are some key objectives to think about when presenting financial analysis: 1. 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