C.I 10
20
30
40
50
60
Frequency
1
3
5
7
9
11
Cumulative Frequency
1
1 + 3 = 4
4 + 5 = 9
?
16 + 9 = 25
25 + 11 = 36
Find the cumulative frequency of the above table having frequency 40.

15

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11

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7

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16

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Solution

The correct option is D $16$
Cumulative frequency can also defined as the sum of all previous frequencies up to the current point.
So, the missing cumulative frequency is $9 + 7 = 16$ .

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Similar questions

Q. Construct a cumulative frequency distribution table from the frequency table given below:

Class Interval	Frequency
0 - 8	9
8 - 16	13
16 - 24	12
24 - 32	7
32 - 40	15

$\begin{matrix} N u m b e r o f C u p s & F r e q u e n c y & C u m u l a t i v e F r e q u e n c y 2 & 1 & 1 3 & 3 & 4 4 & - - - - & 9 5 & 7 & 16 6 & 4 & 20 \end{matrix}$

For the above given frequency table, find the missing frequency.

Q. Sketch frequency polygon for the following table:

$x$	$1 - 3$	$3 - 5$	$5 - 7$	$7 - 9$	$9 - 11$	$11 - 13$
frequency	$2$	$1$	$4$	$2$	$3$	$6$

Q. Construct a cumulative frequency distribution table from the frequency table given below:

\begin{matrix} Class Interval & Frequency 0 - 8 & 9 8 - 16 & 13 16 - 24 & 12 24 - 32 & 7 32 - 40 & 15 \end{matrix}

Table 1
Marks	Frequency	Cumulative Frequency
0-10	2	2
10-20	8	10
20-30	12	22
30-40	18	40
40-50	28	68
50-60	22	90
60-70 70-80	6 4	96 100

Table 2

Class (marks )	Frequency
11-15	2
16-20	3
21-25	3
26-30	5
31-35	6
36-40	6
41-45	3
46-50	2
Total	30

Table 3

Time (in min)	Frequency
15	7
20	15
25	17
30	3
35	14
40	2

Table 4

31	42	49	25	29
40	36	24	29	30
40	46	38	34	26
24	22	39	40	21

Which table shows the cumulative frequency distribution?

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C.I	10	20	30	40	50	60
Frequency	1	3	5	7	9	11
Cumulative Frequency	1	1 + 3 = 4	4 + 5 = 9	?	16 + 9 = 25	25 + 11 = 36

C.I102030405060Frequency1357911Cumulative Frequency11 + 3 = 44 + 5 = 9?16 + 9 = 2525 + 11 = 36Find the cumulative frequency of the above table having frequency 40.

The correct option is D 16Cumulative frequency can also defined as the sum of all previous frequencies up to the current point.So, the missing cumulative frequency is 9+7=16.

C.I 10
20
30
40
50
60
Frequency
1
3
5
7
9
11
Cumulative Frequency
1
1 + 3 = 4
4 + 5 = 9
?
16 + 9 = 25
25 + 11 = 36
Find the cumulative frequency of the above table having frequency 40.

The correct option is D $16$
Cumulative frequency can also defined as the sum of all previous frequencies up to the current point.
So, the missing cumulative frequency is $9 + 7 = 16$ .