ICSE Class 10 Answered
how to draw a cumulative frequency column
Asked by shuddhatam | 30 Dec, 2015, 01:00: PM
Expert Answer
Cumulative frequency is of two types:
1) Less than type
2) More than type
Below is the table for cumulative frequency (less than type)
Size of farm (in acres) |
No. of farms (f) |
C.f (less than type) |
5-15 |
7 |
7 |
15-25 |
12 |
(7+12)=19 |
25-35 |
17 |
(19+17)=36. |
35-45 |
25 |
(36+25)=61 |
45-55 |
31 |
(61+31)=92 |
55-65 |
5 |
(92+5)=97 |
65-75 |
3 |
(97+3)=100 |
Below is the table for cumulative frequency (more than type)
Size of farm (in acres) |
No. of farms (f) |
C.f (less than type) |
5-15 |
7 |
(93+7)=100 |
15-25 |
12 |
(81+12)=93 |
25-35 |
17 |
(64+17)=81 |
35-45 |
25 |
(39+25)=64 |
45-55 |
31 |
(8+31)=39 |
55-65 |
5 |
(3+5)=8 |
65-75 |
3 |
3 |
Size of farm (in acres) |
No. of farms (f) |
C.f (less than type) |
5-15 |
7 |
7 |
15-25 |
12 |
(7+12)=19 |
25-35 |
17 |
(19+17)=36®c.f. |
35-45 Median class |
25 ®f |
(36+25)=61
|
45-55 |
31 |
(61+31)=92 |
55-65 |
5 |
(92+5)=97 |
65-75 |
3 |
(97+3)=100 |
Answered by Rashmi Khot | 31 Dec, 2015, 10:24: AM
Concept Videos
ICSE 10 - Maths
Asked by Rayeesa | 10 Feb, 2018, 09:50: PM
ANSWERED BY EXPERT