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Question
Use the bar graph (see the given figure) to answer the following question.

Which is the most popular pet?
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Solution
Since the bar representing the number of students for cats is the tallest, cat is the most popular pet.
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RELATED QUESTIONS
Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow:

- About how many books were sold in 1989? 1990? 1992?
- In which year were about 475 books sold? About 225 books sold?
- In which years were fewer than 250 books sold?
- Can you explain how you would estimate the number of books sold in 1989?
Number of children in six different classes are given below. Represent the data on a bar graph.
| Class | Fifth | Sixth | Seventh | Eighth | Ninth | Tenth |
| Number of children | 135 | 120 | 95 | 100 | 90 | 80 |
- How would you choose a scale?
- Answer the following questions:
- Which class has the maximum number of children? And the minimum?
- Find the ratio of students of class sixth to the students of class eight.
Consider this data collected from a survey of a colony.
| Favourite sport | Cricket | Basket Ball | Swimming | Hockey | Athletics |
| Watching | 1240 | 470 | 510 | 430 | 250 |
| Participating | 620 | 320 | 320 | 250 | 105 |
- Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
- Which sport is most popular?
- Which is more preferred, watching or participating in sports?
In the table given below, the information is given about roads. Using this draw a sub-divided and percentage bar diagram (Approximate the percentages to the nearest integer).
| Year | Permanent Roads ( Lakh km.) |
Temporary Roads ( Lakh km.) |
| 2000-2001 | 14 | 10 |
| 2001-2002 | 15 | 11 |
| 2002-2003 | 17 | 13 |
| 2003-2004 | 20 | 19 |
Bar diagram of first term scores of a student are given.
a. The highest score is in _________.
b. The lowest score is in _________.
c. The same scores are in _________ and _________.
Practice time: Afterschool
Ask 10 of your friends about what they like to do most after school.
| What they like to do after school |
Number of children |
| Watching TV | |
| Playing football | |
| Reading storybooks | |
In a bar graph, bars of uniform width are drawn vertically only.
In a bar graph, bars of ______ width can be drawn horizontally or vertically with ______ spacing between them.
The following table gives the number of vehicles passing through a toll gate, every hour from 8.00 am. to 1.00 pm:
| Time Interval |
8.00 to 9.00 |
9.00 to 10.00 |
10.00 to 11.00 |
11.00 to 12.00 |
12.00 to 1.00 |
| Number of vehicles |
250 | 450 | 300 | 250 | 150 |
Draw a bar graph representing the above data.
The representation of data with bars of uniform width is called ______.
