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प्रश्न
A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 (in years) worldwide, found the following figures (in %):-
S.No. | Causes | Female fatality rate (%) |
1. | Reproductive health conditions | 31.8 |
2. | Neuropsychiatric conditions | 25.4 |
3. | Injuries | 12.4 |
4. | Cardiovascular conditions | 4.3 |
5. | Respiratory conditions | 4.1 |
6. | Other causes | 22.0 |
- Represent the information given above graphically.
- Which condition is the major cause of women’s ill health and death worldwide?
- Try to find out, with the help of your teacher, any two factors which play a major role in the cause in (ii) above being the major cause.
उत्तर
(i) By representing causes on x-axis and family fatality rate on y-axis and choosing an appropriate scale (1 unit = 5% for y axis), the graph of the information given above can be constructed as follows.
All the rectangle bars are of the same width and have equal spacing between them.
(ii) Reproductive health conditions are the major cause of women’s ill health and death worldwide, as 31.8% of women are affected by it.
(iii) The factors are as follows.
- Lack of medical facilities.
- Lack of correct knowledge of treatment.
APPEARS IN
संबंधित प्रश्न
Read the following bar graph(Fig. 23.15) and answer the following questions:
(i) What information is given by the bar graph?
(ii) What was the production of a student in the year 1980 - 81?
(iii) What is the minimum and maximum productions of cement and corresponding years?
Read the bar graph given in Fig. 23.17 and answer the following questions:
(i) What information is given by the bar graph?
(ii) What was the crop-production of rice in 1970 - 71?
(iii) What is the difference between the maximum and minimum production of rice?
The following data gives the demand estimates of the Government of India, Department of Electronics for the personnel in the Computer sector during the Eighth Plan period (1990-95):
Qualifications: | MCA (Master in Computer applications) |
DCA (Diploma in Computer Applications) |
DCE (Diploma in Computer Engineering) |
CL (Certificate Level Course) |
ST (Short-term Course) |
Personnel Required | 40600 | 181600 | 18600 | 670600 | 1802900 |
Represent the data with the help of a bar graph. Indicate with the help of the bar graph the course where estimated requirement is least.
In a histogram the class intervals or the group are taken along
Draw frequency polygons for each of the following frequency distribution:
(a) using histogram
(b) without using histogram
C.I |
10 - 30 |
30 - 50 |
50 - 70 | 70 - 90 | 90 - 110 | 110 - 130 | 130 - 150 |
ƒ | 4 | 7 | 5 | 9 | 5 | 6 | 4 |
Mr. Mirza’s monthly income is Rs. 7,200. He spends Rs. 1,800 on rent, Rs. 2,700 on food, Rs. 900 on the education of his children; Rs. 1,200 on Other things and saves the rest.
Draw a pie-chart to represent it.
The frequency distribution has been represented graphically as follows:
Marks | 0 – 20 | 20 – 40 | 40 – 60 | 60 – 100 |
Number of Students | 10 | 15 | 20 | 25 |
Do you think this representation is correct? Why?
The lengths of 62 leaves of a plant are measured in millimetres and the data is represented in the following table:
Length (in mm) | Number of leaves |
118 – 126 | 8 |
127 – 135 | 10 |
136 – 144 | 12 |
145 – 153 | 17 |
154 – 162 | 7 |
163 – 171 | 5 |
172 – 180 | 3 |
Draw a histogram to represent the data above.
Following table shows a frequency distribution for the speed of cars passing through at a particular spot on a high way:
Class interval (km/h) | Frequency |
30 – 40 | 3 |
40 – 50 | 6 |
50 – 60 | 25 |
60 – 70 | 65 |
70 – 80 | 50 |
80 – 90 | 28 |
90 – 100 | 14 |
Draw a histogram and frequency polygon representing the data above.
Following table gives the distribution of students of sections A and B of a class according to the marks obtained by them.
Section A | Section B | ||
Marks | Frequency | Marks | Frequency |
0 – 15 | 5 | 0 – 15 | 3 |
15 – 30 | 12 | 15 – 30 | 16 |
30 – 45 | 28 | 30 – 45 | 25 |
45 – 60 | 30 | 45 – 60 | 27 |
60 –75 | 35 | 60 – 75 | 40 |
75 – 90 | 13 | 75 – 90 | 10 |
Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?