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UPSC CDS Math Statistics Questions
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For the next four (4) items that follow :
| Class | Frequency |
|---|---|
| 0-10 | 4 |
| 10-20 | 5 |
| 20-30 | 7 |
| 30-40 | 10 |
| 40-50 | 12 |
| 50-60 | 8 |
| 60-70 | 4 |
[2015 CDS-I]
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