Only the 30th one sum sir plss:
30. The following is the distribution of total household expenditure (in Rs) of manual workers in a city.
Expenditure (in Rs) |
100-150 | 150-200 | 200-250 | 250-300 | 300-350 | 350-400 | 400-450 | 450-500 |
No. Of Manual Workers |
25 | 40 | 33 | 28 | 30 | 22 | 16 | 8 |
Draw a histogram and a frequency polygon representing the above data:

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