NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Exercise 3.3

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NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Exercise 3.3 is provided for the students in the form of a pdf file below. Exercise 3.3 from Chapter 3 Data Handling discusses the application of bar graphs in interpreting data. Students learn how to choose the right scale and draw double graphs.

For quick reference, a bar graph is the representation of numbers using bars of uniform widths whereas double bar graphs help in the comparison of two groups of data at a glance.

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Example From Class 7 Chapter 3 Data Handling

Ques. 200 students of classes 6 and 7 are asked to name their favorite color in order to decide the color of their School Building. The results obtained are tabulated below. Represent the given data on a bar graph.

Favorite Colour	Green	Red	Blue	Orange	Yellow
Number of Students	19	43	55	34	49

Ans. At first, the X and Y axis are chosen correctly to represent the data.

Next, based on the number of students against each color, shading is done to indicate the choices of the group of students.

The bar graph for the above-given data can be represented as follows:

X-axis represents the colors and Y-axis represents the number of students.

X-axis represents the colors and Y-axis represents the number of students.

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