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Question
Weekly wages
(in ₹ ) Number of workers 0 - 100 40 100-200 39 200-300 34 300-400 30 400-500 45
How many workers have wages under ₹300?
| Weekly wages (in ₹ ) | Number of workers |
| 0 - 100 | 40 |
| 100-200 | 39 |
| 200-300 | 34 |
| 300-400 | 30 |
| 400-500 | 45 |
How many workers have wages under ₹300?
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Solution
The correct option is C 113
The following table shows the less than cumulative frequency for the given distribution.
Weekly wages
(in ₹ ) Cumulative Frequency 0 - 100 40 100-200 79 200-300 113 300-400 143 400-500 188
Progressive sum of number of worker is 113 upto 3rd class interval i.e. 200 - 300.
Hence 113 people have wages less than ₹300.
The following table shows the less than cumulative frequency for the given distribution.
| Weekly wages (in ₹ ) | Cumulative Frequency |
| 0 - 100 | 40 |
| 100-200 | 79 |
| 200-300 | 113 |
| 300-400 | 143 |
| 400-500 | 188 |
Progressive sum of number of worker is 113 upto 3rd class interval i.e. 200 - 300.
Hence 113 people have wages less than ₹300.
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