Type of Bar Graphs  In this lesson, we will learn about bar graph or bar chart. We also focus on the different type of bar graphs, definition of bar graph how to create bar graphs. A graphical representation of data, in which bars show comparisons between categories of data.A […]

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Bar Graph  Problems and Solutions Example: (1) Favourite colour of 200 students of a class are given in the below table.  Answer the following questions with the help of the bar graph. (1) Which is the most preferred colour and which is the least preferred?(2) How many students preferred red colour? Solution: First we choose a suitable […]

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Histogram A histogram is from of graphical representation of grouped frequency distribution with continuous classes.  In a histogram data represents like the bar graph, but it there is no gap between rectangular bars. The rectangular bars show the area of proportional to the corresponding frequency of a variable and the width of the bars represents […]

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Double Bar Graph                         Definition:  When we compare to data groups of information, situations or events we use “Double Bar.” Example: Five students marks in quarterly and half yearly examination are given below. Draw a double bar graph and give the answer of questions (1) Give the […]

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