The time (in seconds) taken by 15 athletes to run a 110 m hurdle race are tabulated below:

$\begin{matrix} Class & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 14.8 & 14.8 - 15 Frequency & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}$

The number of athletes who completed the race in less than or equal to 14 seconds is _______.

2

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Solution

The correct option is A 2
From the frequency table, the frequency corresponding to the class interval of 13.8 - 14 seconds is 2
Thus, the number of athletes who completed the race in 13.8 - 14 seconds = 2

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The times (in seconds) taken by 150 athelets to run a 110 m hurdle race are tabulated below

$\begin{matrix} Class & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 14.8 & 14.8 - 15 Frequency & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}$

The number of atheletes who completed the race in less than 14.6 s is

Q. Question 10
The times (in seconds) taken by 150 atheletes to run a 110 m hurdle race are tabulated below.

\begin{matrix} C l a s s & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 18.8 & 14.8 - 15 F r e q u e n c y & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}

(a) 11
(b) 71
(c) 82
(d) 130
The number of atheletes who completed the race in less than 14.6 s is

Q. Question 10
The times (in seconds) taken by 150 atheletes to run a 110 m hurdle race are tabulated below.

\begin{matrix} C l a s s & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 18.8 & 14.8 - 15 F r e q u e n c y & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}

(a) 11
(b) 71
(c) 82
(d) 130
The number of atheletes who completed the race in less than 14.6 s is

The time (in seconds) taken by 150 athletes to run a 110 m hurdle race are tabulated below:

$\begin{matrix} Class & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 14.8 & 14.8 - 15 Frequency & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}$

The number of athletes who completed the race in less than 14.6 s is ____.

The times (in seconds) taken by 150 athletes to run a 110 m hurdle race are tabulated below

$\begin{matrix} C l a s s & 13.8 - 14 & 14 - 14.2 & 14.2 - 14.4 & 14.4 - 14.6 & 14.6 - 14.8 & 14.8 - 15 F r e q u e n c y & 2 & 4 & 5 & 71 & 48 & 20 \end{matrix}$

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

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The time (in seconds) taken by 15 athletes 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 The number of athletes who completed the race in less than or equal to 14 seconds is _______. 2

The correct option is A 2From the frequency table, the frequency corresponding to the class interval of 13.8 - 14 seconds is 2 Thus, the number of athletes who completed the race in 13.8 - 14 seconds = 2

The correct option is A 2
From the frequency table, the frequency corresponding to the class interval of 13.8 - 14 seconds is 2
Thus, the number of athletes who completed the race in 13.8 - 14 seconds = 2