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Draw a cumulative frequency curve (ogive) for the following distributions:
| Class Interval | 10 – 15 | 15 – 20 | 20 – 25 | 25 – 30 | 30 – 35 | 35 – 40 |
| Frequency | 10 | 15 | 17 | 12 | 10 | 8 |
Concept: undefined >> undefined
Draw a cumulative frequency curve (ogive) for the following distributions:
| Class Interval | 10 – 19 | 20 – 29 | 30 – 39 | 40 – 49 | 50 – 59 |
| Frequency | 23 | 16 | 15 | 20 | 12 |
Concept: undefined >> undefined
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Draw an ogive for the following distributions:
| Marks obtained | less than 10 | less than 20 | less than 30 | less than 40 | less than 50 |
| No. of students | 8 | 25 | 38 | 50 | 67 |
Concept: undefined >> undefined
Draw an ogive for the following distributions:
| Age in years (less than) | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
| Cumulative frequency | 0 | 17 | 32 | 37 | 53 | 58 | 65 |
Concept: undefined >> undefined
Construct a frequency distribution table for the following distributions:
| Marks (less than) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Cumulative frequency | 0 | 7 | 28 | 54 | 71 | 84 | 105 | 147 | 180 | 196 | 200 |
Concept: undefined >> undefined
Construct a frequency distribution table for the following distributions:
| Marks (more than) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Cumulative frequency | 100 | 87 | 65 | 55 | 42 | 36 | 31 | 21 | 18 | 7 | 0 |
Concept: undefined >> undefined
Insert one arithmetic mean between 3 and 13.
Concept: undefined >> undefined
The following numbers, K + 3, K + 2, 3K – 7 and 2K – 3 are in proportion. Find k.
Concept: undefined >> undefined
Find the value of the unknown in the following proportion :
5 : 12 :: 15 : x
Concept: undefined >> undefined
Find the value of the unknown in the following proportion :
3 : 4 : : p : 12
Concept: undefined >> undefined
Find the value of the unknown in the following proportion :
`1/2 : "m" :: 14/9 : 4/3`
Concept: undefined >> undefined
Find the value of the unknown in the following proportion :
c
Concept: undefined >> undefined
Find the fourth proportion to the following:
3,5 and 15
Concept: undefined >> undefined
Find the fourth proportion to the following:
0.7, 4.9 and 1.6
Concept: undefined >> undefined
Find the fourth proportion to the following:
(p2q - qr2 ), (pqr - pr2 ) and (pq2 - pr2)
Concept: undefined >> undefined
Find the fourth proportion to the following :
(x2 - y2),(x3 + y3)anc(x3 - xy2 + x2y- y3)
Concept: undefined >> undefined
Find the third proportion to the following :
3 and 15
Concept: undefined >> undefined
Find the third proportion to the following :
16x2 and 24x
Concept: undefined >> undefined
Find the third proportion to the following :
(x - y) and m (x - y)
Concept: undefined >> undefined
Find the third proportion to the following :
`9/25` and `18/25`
Concept: undefined >> undefined
