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Question

The times (in seconds) taken by 150

athlete to run a 110 m hurdle race are tabulated below

Class13.8141414.214.214.414.414.614.614.814.815Frequency245714820

The number  of athletes who completed the race in less than 14.6 seconds is


  1. 11

  2. 71

  3. 82

  4. 130


Solution

The correct option is C

82


The number of athletes who completed the race in 13.8 - 14 seconds = 2

The number of athletes who completed the race in 14 - 14.2 seconds = 4

The number of athletes who completed the race in 14.2 - 14.4 seconds = 5

The number of athletes who completed the race in 14.2 - 14.6 seconds = 71

 The number of athletes who completed the race in less than 14.6 seconds

= 2 + 4 + 5 + 71

= 82

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