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The following table gives the distribution of the life time of 400 neon lamps:
Life time (in hours) | Number of lamps |
1500-2000 | 14 |
2000-2500 | 56 |
2500-3000 | 60 |
3000-3500 | 86 |
3500-4000 | 74 |
4000-4500 | 62 |
4500-5000 | 48 |
Find the median life time of a lamp.
Answer:
Median =
[Note: Enter the answer upto 2 decimals.]