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Question
In the following table, the investment made by 210 families is shown. Present it in the form of a histogram.
|
Investment
(Thousand Rupees) |
10 - 15 | 15 - 20 | 20 - 25 | 25 - 30 | 30 - 35 |
| No. of families | 30 | 50 | 60 | 55 | 15 |
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Solution
The histogram for the given data is
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| 0 — 20 | 3 |
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The following table shows the investment made by some families. Show
the information by a histogran.
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Draw a histogram to represent the following data:
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Identify the following data can be represented in a histogram?
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Identify the following data can be represented in a histogram?
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Try yourself
- Next time when you watch your favourite TV programme, count the number of advertisements during each break. Use tally marks. Put a dot below the tally when you find children in any advertisement.
- Compare with your friends. Do you get different answers?
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The number of people having books more than 20 and less than 40 is ______.
In a histogram ______ are drawn with width equal to a class interval without leaving any gap in between.
The following pictorial representation of data is a histogram.
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| 400 – 600 | 300 |
| 600 – 800 | 450 |
| 800 – 1000 | 350 |
| 1000 – 1200 | 160 |
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- Make a frequency table with respect to the class boundaries and their corresponding frequencies.
- State the modal class.
- Identify and note down the mode of the distribution.
- Find the number of plants whose height range is between 80 cm to 90 cm.
