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प्रश्न
Construct histograms for following frequency distribution:
| Class Interval | 1-10 | 11-20 | 21-30 | 31-40 | 41-50 |
| Frequency | 11 | 23 | 30 | 20 | 16 |
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उत्तर
Steps :
a. Make the class intervals continuous by subtracting 0.5 from the lower limit of each class and add 0.5 to the upper limit of each class .
b. On the x-axis , take 1 cm as 5 units and plot class interval.
c. On the y-axis, take 1 cm as 5 units and plot frequency.
d. Draw rectangles of histogram as per given data .
| Class Interval | Frequency |
| 0.5-10.5 | 11 |
| 10.5-20.5 | 23 |
| 20.5-30.5 | 30 |
| 30.5-40.5 | 20 |
| 40.5-50.5 | 16 |
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संबंधित प्रश्न
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| 0 — 20 | 3 |
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| 40 — 60 | 19 |
| 60 — 80 | 18 |
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| 40-50 | 156 |
| 50-60 | 98 |
60-70 |
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| Class Interval | 0 – 10 | 10 – 20 | 20 – 30 | 30 – 40 | 40 – 50 | 50 – 60 |
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| No. of students | 7 | 33 | 45 | 65 | 47 | 18 | 5 |
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