14. Statistics Mathematics Exercise - 14.3 class 9 Maths in English - CBSE Study
NCERT Solutions for Class 9 Mathematics are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 14. Statistics with detailed explanations and step-by-step answers for better exam preparation. Each Exercise 14.3 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 9 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Mathematics.
Class 9 English Medium Mathematics All Chapters:
14. Statistics
3. Exercise 14.3
EXERCISE 14.3
Q1. 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. 2. 3. 4. 5. 6. |
Reproductive health conditions Neuropsychiatric conditions Injuries Cardiovascular conditions Respiratory conditions Other causes |
31.8 25.4 12.4 4.3 4.1 22.0 |
(i) Represent the information given above graphically.
(ii) Which condition is the major cause of women’s ill health and death worldwide?
(iii) 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.
Solution:
(i) These data can be represented graphically using bar-graph. By representing cause on x-axis family fatality rate on y-axis.
Q2. The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below
| Section | Number of girls per thousand boys |
|
Scheduled Caste (SC) Scheduled Tribe (ST) Non SC/ST Backward districts Non-backward districts Rural Urban |
940 970 920 950 920 930 910 |
(i) Represent the information above by a bar graph.
(ii) In the classroom discuss what conclusions can be arrived at from the graph.
Topic Lists: