NCERT Solutions for Class 9th Mathematics
Chapter 14. Statistics
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 (%)|
Reproductive health conditions
(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.
(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)
(i) Represent the information above by a bar graph.
(ii) In the classroom discuss what conclusions can be arrived at from the graph.