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Question
Draw the histogram for the following frequency distribution and hence estimate the mode for the distribution.
| Class | Frequency |
| 0 - 5 | 2 |
| 5 - 10 | 7 |
| 10 - 15 | 18 |
| 15 - 20 | 10 |
| 20 - 25 | 8 |
| 25 - 30 | 5 |
| Total | 24 |
Solution
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RELATED QUESTIONS
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| Frequency | 15 | 23 | 30 | 20 | 16 |
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| Class Marks | 16 | 24 | 32 | 40 | 48 | 56 | 64 |
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Investment
(Thousand Rupees) |
10 - 15 | 15 - 20 | 20 - 25 | 25 - 30 | 30 - 35 |
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10-15 | 15-20 | 20-25 | 25-30 | 30-35 |
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| Class interval: | 140−145 | 145−150 | 150−155 | 155−160 | 160−165 |
| Frequency: | 8 | 12 | 18 | 10 | 5 |
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| 0 – 10 | 25 |
| 10 – 20 | x |
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| Class Interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
| Frequency | 8 | 20 | 34 | 22 | 10 | 6 |
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| Frequency | 8 | 12 | 15 | 18 | 25 | 7 |
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| Class Interval | 110-119 | 120-129 | 130-139 | 140-149 | 150-159 |
| Frequency | 15 | 23 | 30 | 20 | 16 |
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| 20-25 | 2 |
| 25-30 | 5 |
| 30-35 | 8 |
| 35-40 | 12 |
| 40-45 | 10 |
| 45-50 | 7 |
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| 20 – 22 | 8 |
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| 26 – 28 | 6 |
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- Make a frequency table with respect to the class boundaries and their corresponding frequencies.
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- Find the number of plants whose height range is between 80 cm to 90 cm.
