The following table gives the distribution of the life time of 400 neon lamps : |…
MATHEMATICS · Subjective · CBSE · Mathematics · Statistics · Statistics
Problem
5. 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 |