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प्रश्न
The times, in seconds, taken by 150 athletes to run a 110 m hurdle race are tabulated below:
| Class | 13.8 – 14 | 14 – 14.2 | 14.2 – 14.4 | 14.4 – 14.6 | 14.6 – 14.8 | 14.8 – 15.0 |
| Frequency | 2 | 4 | 5 | 71 | 48 | 20 |
The number of athletes who completed the race in less than 14.6 seconds is:
विकल्प
11
71
82
130
उत्तर
82
Explanation:
The number of athletes who completed the race in less than 14.6 seconds
= 2 + 4 + 5 + 71
= 82
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