Data Interpretation for Bank Exams - Pdf Download

Thanks for your tremendous response for our previous post on Data Interpretation Basics for SBI PO Exams. People are asking us to provide more practice problems to work with. So we have decided to make a pdf with that so that people can easily practice. Here is the detailed short notes on Data Interpretation with practice problems. Just download this and practice well. Please feel free to ask us if you have any doubts (you can use the comments section below to comment). We hope this will help you doing better in upcoming SBI Probationary Officers Exam's Data Interpretation Section. All the best and Happy Preparation :)

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Data Interpretation

Data Interpretation,  the one of the easiest, time taking and scoring topic of the Bank Exams.  Everybody knows this fact... but people pay less attention on this area. But unfortunately in SBI PO Exam, the complete aptitude section will depend on Data Interpretation. So you should concentrate more on this area.

In this post, we shall discuss about the basics Data Interpretation.  The Data Interpretation is also called as comprehension of mathematics. Because, in reading comprehension, we have to study the passage and answer the questions followed by that passage. In the same way, in Data Interpretation, some data is given in the form of graphs, charts and tables followed by questions. We have to study, understand and analyze the data to solve the questions. Here we have to keep in mind that, even a 10th standard boy can solve these problems. But you've to solve these problems IN TIME.

So you have to practice well so that you can do the small calculations (like additions, subtractions, and simple multiplications) with a glance (see here for shortcuts in mental maths). Now lets have a look at some basic details of Data Interpretations.

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Tables

All of us know what the TABLE is.... Here the Data is given in the form of rows and columns. A row is a series of cells going horizontally across the table.  A column is a series of cells going vertically or up and down the table. We have to analyze these rows and columns and should answer the questions according to them. Lets have a look at an example.  The following table gives the data of the number of computers produced by five companies namely P, Q, R, S and T over the years 2004 to 2009 (the production is in Thousands).

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Pie Chart

You might have observed the Pie Charts while reading about Budget.The pie chart is a circular chart which is sectors. In a pie chart, the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it represents. As we've already said, these charts are more useful while showing the percentages and ratios. Lets discuss these type of problems with an example. The following Pie - Chart shows the different colors of cars using by the 7200 people of a town. 

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Line Graphs

The line graph is another important type of graph. The line graph displays information as a series of data points connected by some straight line segments (or simply lines). You can simply say that the Line Graph is the graph which uses points connected by lines to show how something changes in value. Lets have a look at an example Line Graph so that we can understand the topic in detail.

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Subdivided / Component Bar Diagrams

The Sub Divided / Component bar diagrams are used to represent data in which the total magnitude (bar) is divided into different parts or components. In these type of diagrams, first they make simple bars for each class taking total magnitude in that class and then divide these simple bars into parts in the ratio of various components. With an example we shall try to understand the Concept. 

Assume that you have to give the data of the production of vehicles of 3 companies (name them P, Q and R) over the years 1994 to 2000. 

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Multiple Bar Diagram

This model is also same as the simple Bar Diagram. But the difference is, here we have to encounter more than one bar... I mean, we have to do problems with two or more vertical or horizontal bars. In these type of diagrams normally they will give the information of two different organizations (like the production of soaps of two different companies) or the information of two different items of the same organization (like the production of the soaps and shampoos of the same company) and asks questions on the given data. Have a look at an example.

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Bar Diagrams

The Bar Diagram is the basic model of the Data Interpretation Problems. The bar diagram is a two dimensional graphic representation where the elementary graphic objects are a set of rectangles or bars drawn in parallel so that the extension of the same is proportional to the magnitude they intend to represent. 

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