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प्रश्न
In the following figure, there is a histogram depicting daily wages of workers in a factory. Construct the frequency distribution table.
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उत्तर
It is clear from the histogram that class interval start from 150 – 200, 200 – 250, having width.
The frequency distribution table is given below:
| Wage (₹) | Number of workers |
| 150 – 200 | 50 |
| 200 – 250 | 30 |
| 250 – 300 | 35 |
| 300 – 350 | 20 |
| 350 – 400 | 10 |
| Total | 145 |
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Draw a histogram for the data and show the frequency polygon for it.
A histogram is a pictorial representation of the grouped data in which class intervals and frequency are respectively taken along
Construct a combined histogram and frequency polygon for the following frequency distribution:
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The daily wages in a factory are distributed as follows:
|
Daily wages (in Rs.) |
125 - 175 |
175 - 225 |
225 - 275 |
275 - 325 |
325 - 375 |
|
Number of workers |
4 |
20 |
22 |
10 |
6 |
Draw a frequency polygon for this distribution.
