diagrammatic and graphical representation of statistical data pdf

Diagrammatic And Graphical Representation Of Statistical Data Pdf

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Graphical Representation is a way of analysing numerical data. We define a diagrammatic representation as a visualization whose meaning is determined by the location of marks on a two-dimensional plane.

Amity Business School. On the other hand, pie diagram can be used for both types of data.

Statistical Methods in Medical Research pp Cite as. The most important function of science of statistics is to simplify the complexity of quantitative data and to make them easily understandable. Numeric figures are usually avoided by common man, but pictures, diagrams, and graphs always attract our attention. Characteristics of diagrams and rules for drawing these have been discussed with limitations and use of these. There are a variety of diagrams like dimensional drawings, pictograms, cartograms, graphs, curves, and circles or pie diagrams, which have great utility in the presentation of data.

Graphic Representation of Data: Meaning, Principles and Methods

Read this article to learn about the meaning, principles and methods of graphic representation of data. Graphic representation is another way of analysing numerical data. 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. Graphs enable us in studying the cause and effect relationship between two variables. Graphs help to measure the extent of change in one variable when another variable changes by a certain amount.

The profits in thousand of dollars of an industrial house for , , , , , and are 5, 8, 9, 6, 12, 15 and 24 respectively. Many visual languages only support data of pre-defined types. Some of them are as follows: 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". An attractive representation of statistical data is provided by charts, diagrams and pictures. Sometimes, the technique uses a three-dimensional visualization which is then projected onto a two-dimensional surface. In the current scenario, the use of diagrams is becoming more and more popular. The search for an efficient method to enhance data cognition is especially important when managing data from multidimensional databases.

We define a diagrammatic representation as a visualization whose meaning is determined by the location of marks on a two-dimensional plane. It is applicable in both discrete and continuous frequency distributions. Meaning Of Graphical Representation Of Data A picture is said to be more effective than words for describing a particular thing. In the words of M. Diagrams create a lasting impression on the minds of observers.

Diagrammatic Presentation of Data

A chart is a graphical representation for data visualization , in which "the data is represented by symbols , such as bars in a bar chart , lines in a line chart , or slices in a pie chart ". The term "chart" as a graphical representation of data has multiple meanings:. Charts are often used to ease understanding of large quantities of data and the relationships between parts of the data. Charts can usually be read more quickly than the raw data. They are used in a wide variety of fields, and can be created by hand often on graph paper or by computer using a charting application. Certain types of charts are more useful for presenting a given data set than others.

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INTRODUCTION A Graphical representation is a visual display of data and statistical results. 1. Diagrams save time when compared to other methods. c] It saves.


Diagrammatic And Graphical Representation Of Statistical Data Pdf

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A graph is a sort of chart through which statistical data are represented in the form of lines or curves drawn across the [ ] Usually, graphs are used to present time.

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