Monday, 16 October 2017

DATA INTERPRETATION:- PIE CHART NOTE

They derive their name from its shape, like that of a pie divided into various portions. They always represent data in the form of a percentage of the total, with the total percentage being 100. 

In such a chart, the length of the arc (and therefore the angle each sector subtends at the centre) is proportional to the quantity it represents. Such charts are often used in the corporate world and in newspapers. Since a circle comprises 360 degrees, each percent of a pie-chart is equal to 360 divided by 100, or 3.6 degrees. This fact will be important for the calculations you are expected to perform.

DATA INTERPRETATION & DATA SUFFICIENCY

Data can be represented in the form of tables, graphs or even caselets. Data represented in the form of a table is raw and usually is quite time consuming to process such data. Analyses such as trends, problem areas, percentage distribution are quite difficult to perform when the data is represented in the form of a table. Graphs on the other hand represent the same data visually. Graphs offer the luxury of processing data by observation as we can easily see the trends and distribution. Even problem areas are easy to identify by looking at the deviation from the trends. Representing data in the form of caselets is quite uncommon in the real world. However, it is very popular with CAT examiners. In this case, date is hidden between paragraphs and you have to unearth the data as you go on reading the paragraph. This is probably the worst case of data representation when it comes to analyzing and drawing conclusions out of it. In this article we bring to you the shortcuts that will help you master these types of data representation.

DATA INTERPRETATION QUESTION PAPER SET WITH SOLUTION

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