What is the cumulative frequency of the modal class of the following distribution- - Class 3-6 6-9 9-12 12-15 15-18 18-2 21-24- Frequency 7 13 10 23 4 21 16- -

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Standard X

Mathematics

Cumulative Frequency

What is the c...

Question

What is the cumulative frequency of the modal class of the following distribution?

$\begin{matrix} C l a s s & 3 - 6 & 6 - 9 & 9 - 12 & 12 - 15 & 15 - 18 & 18 - 2 & 21 - 24 F r e q u e n c y & 7 & 13 & 10 & 23 & 4 & 21 & 16 \end{matrix}$

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Solution

Class frequency CF

3-6 7 7

6-9 13 20

9-12 10 30

12-15 23 53

15-18 4 57

18-21 21 78

21-24 16 94

from above we can see the modal class is 12-15
and hence its cumilative frequency is 53

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In the following data, find the values of $p$ and $q$ Also, find the median class and modal class.

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Q. What is the cumulative frequency of the modal class of the following distribution?

Class	3−6	6−9	9−12	12−15	15−18	18−21	21−24
Frequency	7	13	10	23	4	21	16

Q. The modal class of the given frequency distribution is

Marks Obtained	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
Cumulative Frequency	$7$	$35$	$27$	$34$

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Class	frequency	CF
3-6	7	7
6-9	13	20
9-12	10	30
12-15	23	53
15-18	4	57
18-21	21	78
21-24	16	94

What is the cumulative frequency of the modal class of the following distribution? Class3−66−99−1212−1515−1818−221−24Frequency713102342116

Class frequency CF 3-6 7 7 6-9 13 20 9-12 10 30 12-15 23 53 15-18 4 57 18-21 21 78 21-24 16 94 from above we can see the modal class is 12-15 and hence its cumilative frequency is 53

What is the cumulative frequency of the modal class of the following distribution?

$\begin{matrix} C l a s s & 3 - 6 & 6 - 9 & 9 - 12 & 12 - 15 & 15 - 18 & 18 - 2 & 21 - 24 F r e q u e n c y & 7 & 13 & 10 & 23 & 4 & 21 & 16 \end{matrix}$

Class frequency CF

3-6 7 7

6-9 13 20

9-12 10 30

12-15 23 53

15-18 4 57

18-21 21 78

21-24 16 94

from above we can see the modal class is 12-15
and hence its cumilative frequency is 53