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The times, in seconds, taken by 150 athelets to run a 110 m hurdle race are tabulated below:
| Class | Frequency |
| 13.8-14 | 2 |
| 14-14.2 | 4 |
| 14.2-14.4 | 5 |
| 14.4-14.6 | 71 |
| 14.6-14.8 | 48 |
| 14.8-15 | 20 |
The number of athelets who completed the race in less than 14.6 seconds is:
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