Bar graph

GRAPHICAL REPRESENTATION OF DATA

Bar graph

A Bar graph is a chart that uses bars to show comparisons between categories of data. The bars can either be horizontal or vertical.

Example 1

The number of things sold in a month of January in a particular shop is shown below. Draw a bargraph.

Activity 1

1. Take a survey among your friends and family on their favourite pets. Use the information to draw a bargraph.

2. Take a survey among your school friends or their favorite colour. (key: Purple, Green, Red, Brown, Blue) Draw a bargraph to represent your data.

Activity 2

The following information is collected from 50 students of class 5 about their grades in exams. Complete the following table.

Example 2

In Trichy, a GHSS has five different clubs. The data shows the number of students in each club. Use the information to draw a bargraph and answer the questions.

1) Which club has the fewest students? How many?

Answer: Arts club 28

2) How many students are there in art and debate clubs?

Answer: 28+80=108

3) Find how many students are there in the sports club more than the drama club?

Answer: 20

4) How many students are there in all clubs together?

Answer: 478

Activity 3

Take a survey among your classmates on their favourite hobby. [Clue: Reading, Painting, Gardening, Cooking, Fishing] Draw bargraph to represent your data.