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Question
The time (in seconds) taken by 150 athelets to run a 110 m hurdle race are tabulated below
Class13.8−1414−14.214.2−14.414.4−14.614.6−14.814.8−15Frequency245714820
Choose the correct option(s):
The time (in seconds) taken by 150 athelets to run a 110 m hurdle race are tabulated below
Class13.8−1414−14.214.2−14.414.4−14.614.6−14.814.8−15Frequency245714820
Choose the correct option(s):
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Solution
The correct options are
A 11
C 82
The number of atheletes who completed the race in less than 14.4 seconds
= 2 + 4 +5
= 11
The number of atheletes who completed the race in less than 14.6 seconds
= 2 + 4 + 5 + 71
= 82
A
11
C
82
The number of atheletes who completed the race in less than 14.4 seconds
= 2 + 4 +5
= 11
The number of atheletes who completed the race in less than 14.6 seconds
= 2 + 4 + 5 + 71
= 82
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