Also, this helps in saving time. If we can see something, we internalize it quickly. Other graph types such as pie charts are possible for quantitative data. The input for such graphical data can be another type of data itself or some raw data. Decision Making: By seeing the graphs at a glance, business executives will be able to make a decision very promptly, which is rarely possible through the detailed reports. 30 Graphical Representations of Data Visualization techniques are ways of creating and manipulating graphical representations of data. Data visualizations also make collaboration significantly more efficient by using familiar visual metaphors to illustrate relationships and highlight meaning, eliminating complex, long-winded explanati… It represents the set of data in a meaningful way. For example, a bar graph & pie chart takes tabular data as input. By using standard maths formulas, we can find different measures of central tendency like mean, median, mode, variance and standard deviation. Still, the graphical presentation can be made in a simple way but with a pleasant view to represent the report understandable. In Statistics, a graphical representation is a visual display of data in the form of a diagram or graph. Usually, graphs are used to present time series and frequency distributions. It encompasses a wide range of techniques to clarify, interpret and analyse the data by drawing line segments or by plotting the points in the graphs. Facts and figures as such do not catch our attention unless they are presented in an interesting way. Pie chart 5. They make decisions by comparing the value or cost to confer the report of how a specific situation was yesterday and how it is today. It represents the set of data in a meaningful way. They are pie charts, ogive or frequency cumulative graph, Histogram, and smoothed frequency graph. The Importance of Graphical Data Representation. Graphical form is the most widely used method. Statistics is associated with the collection, classification, arrangement and representation of numerical data. They are. There are more advantages of graphical representation such as minimum time, effort, errors and complete ideas of the purpose of the data. Information in a report is presented in various ways. Graphical representation of statistical data is for the sole purpose of easier interpretation. 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. Graphical representation enables the quick analysis of large amounts of data at one time and can aid in making predictions and informed decisions. It provides data where it assists in taking decisions in a much more reliable way. i.Categorical: Categorical variables represent types of data which may be divided into groups.It is also known as qualitative variable.. 12.7 Need and Importance of Statistics 12.8 Importance of the Organisation of Data 12.9 Presentation of Data in a Sequence 12.10 Grouping and Tabulation of Data 12.1 1 Graphical Representation of Data 12.12 Types of Graphical Representation of Data 12.12.1 Histogram 12.12.2 Bar Diagram or Bar Graph 12.12.3 Frequency Polygon , ogive or frequency cumulative graph, Histogram, and smoothed frequency graph. Apart from these methods, other methods of representation are line graphs, bar graphs, stem and leaf plot etc. It always depends on the type of information in a particular domain. The tabular data in such case is processed data itself but provides limited use. A visual display of data using a diagram or graph (or chart) is called graphical representation. Limited Application: Graphic representation is useful for a common man but for an expert, its utility is limited. The graphic presentation of data and information offers a quick and simple way of understanding the features and drawing comparisons. , we can find different measures of central tendency like mean, median, mode, variance and standard deviation. It allows us to interpret various results from the graph presentation and help us to forecast many possibilities. This is important because it allows trends and patterns to be more easily seen. Graphs gives a visual representation of the data or the results of statistical analysis to the reader which are usually easily understandable and more attractive. Is A Mask Imperative Whilst Working On-Site? Data visualization is another form of visual art that grabs our interest and keeps our eyes on the message. Graphical Representation is a way of analysing numerical data. The usefulness of different graph types will vary depending upon the number of intervals and the type of data being represented. By, Sana Rehman, Assistant Professor, SCMS, Pune 2. Acceptability: Reports prepared using diagrams and graphs will be acceptable by many persons so that they are easy to understand the main purpose of the data. Graphical representation helps to quantify, sort and present data in a method that is understandable to a large variety of audiences. Thus recording instruments produced graphs by necessity, not by choice. They display the data in the form of graphs and charts. It is an effective and economic device for the presentation, understanding and interpretation … It is used to represent the set of data in a meaningful way. Data: data refers to the set of observations, values, elements or objects under consideration. Following are the main drawbacks/ limitations of graphs. Graphic representation is another way of analysing numerical data. Line diagram 2. 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