NCERT Class 9 Maths Chapter 12 Statistics Solutions
NCERT Class 9 Maths Chapter 12 Statistics Solutions Exercise 12.1 Q.1. A survey conducted by an organisation for the cause of illness and death among the women between the ages 15-44 (in years) worldwise, 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 (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. Ans: (i) (ii) Reproductive health conditions are the major cause of women’s ill health and death worldwide. (iii) Lack of proper diet, lack of advice exercises. Q.2.The following data on the number of girls (to the nearest ten) per thousand boys in differen...