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Graphical Representation Of Data
Under given figure shows the number of commuters on foot on both sides of Yamuna Bridge in Delhi. Draw a flow map on the basis of this information.
The minimum number of commuters is 2000 and maximum number is 30,000. Select a suitable scale and ribands showing the number of commuters on each road.
The thickness of the ribands should be in proportion to the number of commuters.
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What is an isopleth map? How an interpolation is carried out?
Describe and illustrate important steps to be followed in preparing a choropleth map.
Discuss important steps to represent data with the help of pie-diagram.
Represent the following data with the help of suitable diagram:
|
Year |
1911 |
1921 |
1931 |
1941 |
1951 |
1961 |
1971 |
1981 |
1991 |
2001 |
|
Decimal Growth (%) |
0.35 |
8.27 |
19.12 |
31.97 |
41.42 |
26.41 |
38.23 |
46.14 |
36.47 |
31.13 |
Represent the following data with the help of suitable diagram:
India: Literacy and Enrolment Ratio in Primary and Upper Primary Schools
|
Year |
Literacy Ratio |
Enrolment |
Enrolment Ratio |
||||||
|
Ratio Primary |
Upper Primary |
||||||||
|
Person |
Male |
Female |
Boys |
Girls |
Total |
Boys |
Girls |
Total |
|
|
1950-51 |
18.3 |
27.2 |
8.86 |
60.6 |
25 |
42.6 |
20.6 |
4.6 |
12.7 |
|
1999-2000 |
65.4 |
75.8 |
54.2 |
104 |
85 |
94.9 |
67.2 |
50 |
58.8 |
Represent the following data with the help of a pie-diagram:
Land-use: 1983–84
|
1950-51 |
1998-2001 |
|
|
Net Sown Area |
42 |
46 |
|
Forest |
14 |
22 |
|
Not available for cultivation |
17 |
14 |
|
Fallow Land |
10 |
8 |
|
Pasture and Tree |
9 |
5 |
|
Culturable Waste Land |
8 |
5 |
Study the table given below and the given diagrams/maps.
Area and Production of Rice in major States
|
States |
Area in 000 ha |
% to Total Area |
Production in 000 tones |
% to Total Production |
|
West Bengal |
5,435 |
12.3 |
12,428 |
14.6 |
|
Uttar Pradesh |
5,839 |
13.2 |
11540 |
13.6 |
|
Andhra Pradesh |
4,028 |
9.1 |
12428 |
13.5 |
|
Punjab |
2,611 |
5.9 |
9154 |
10.8 |
|
Tamil Nadu |
2,113 |
4.8 |
7218 |
8.5 |
|
Bihar |
3,671 |
8.3 |
5417 |
6.4 |
(i) Construct a multiple bar diagram to show area under rice in each state.
(ii) Construct a pie diagram to show the percentange of area under rice in each state.
(iii) Construct a dot map to show the production of rice in each state.
(iv) Construct a choropleth map to show the percentage of production of rice in states.
Represent the following data by suitable. The rural and urban population of India diagram:
|
Year |
Rural |
Urban |
|
Polpulation (%) |
Population (%) |
|
|
1901 |
29.2 |
10.8 |
|
1911 |
89.7 |
10.3 |
|
1921 |
88.8 |
11.2 |
|
1931 |
88.0 |
12.0 |
|
1941 |
86.1 |
13.9 |
|
1951 |
82.7 |
17.3 |
|
1961 |
82 |
18.0 |
|
1971 |
80.1 |
19.9 |
|
1981 |
76.7 |
23.3 |
|
1991 |
74.3 |
25.7 |
What are the salient features of a flow map?
What are the points to be kept in mind while using dot method?
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