CBSE Class 10 Maths (Standard) 2023 · Paper 30/1/1 · Question 37
India meteorological department observes seasonal and annual rainfall every year in different sub-divisions of our country. It helps them to compare and analyse the results. The table given below shows sub-division wise seasonal (monsoon) rainfall (mm) in 2018. Based on the above information, answer the following questions :
| Rainfall (mm) | Number of Sub-divisions |
|---|---|
| 200-400 | 2 |
| 400-600 | 4 |
| 600-800 | 7 |
| 800-1000 | 4 |
| 1000-1200 | 2 |
| 1200-1400 | 3 |
| 1400-1600 | 1 |
| 1600-1800 | 1 |
- IWrite the modal class.[1]
- IIFind the median of the given data.[2]
- IIIFind the mean rainfall in this season. OR If sub-division having at least 1000 mm rainfall during monsoon season is considered good rainfall sub-division, then how many sub-divisions had good rainfall?[1]
Answer
(I) Modal class -; (II) Median mm; (III) Mean mm. OR: sub-divisions had good rainfall (at least mm).
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