Data Interpretation questions are asked in various competitive exams like IBPS PO, SBI PO, SBI Clerk, IBPS Clerk, SSC CGL, SSC CHSL, etc. Data Interpretation questions from the quantitative aptitude section are the most important yet easy questions that can be solved via little tips and tricks. There are different types of data Interpretation questions, one such type is Graphs – Bar Graph and Line Graph. There are generally three types of Data Interpretation Questions for IBPS, SBI, SSC and other exams – Tabular Form, Pie Chart, and Graphs- Bar Graph and Line Graph.
A tabular form is a representation of data in a table format. It is easy and convenient to represent data in a tabular form. The data is present in rows and columns and one can draw conclusions from it easily. It is the most organized method to represent data.
A pie chart is a circle which is drawn around an angle of 360 degrees. It is divided into different sectors where each sector represents a particular element, from the given data. A pie chart is useful when percentage proportion of various elements are to be shown.In the examination, pie chart questions may contain one, two or three diagrams and have pie chart questions on it.
A graph is a pictorial representation of data in an organized structure. A graph shows the relationship between two variables, each variable measured along a pair of axis at the right angle. A graph is the easiest tool to represent a data. A graph is drawn between X and Y axis, where the x-axis is a horizontal line while Y-axis is a vertical line.
There are different types of graphs – Histogram, Pictograph. Bar graph, Line Graph etc.
Let us now discuss few questions on Bar Graph and Line Graph.
A bar graph is a graph in which data is plotted on the axis with the help of bars. A bar graph makes the comparison and evaluation easy for various statistical parameters. The major advantage of bar graphs is that they help in visual estimation. There are different types of bar graphs-
On the basis of axis – Vertical and Horizontal bar graphs
On the basis of No. of bars – Single, multiple or cluster and Staged bar graph.
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