Question Answers

Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 14 - Statistics > 2. The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below. S.No. Section Number of girls per thousand boys 1. Scheduled Caste (SC) 940 2. Scheduled Tribe (ST) 970 3. Non SC/ST 920 4. Backward districts 950 5. Non-backward districts 920 6. Rural 930 7. Urban 910 (i) Represent the information above by a bar graph. (ii) In the classroom discuss what conclusions can be arrived at from the graph.

2. The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below. S.No. Section Number of girls per thousand boys 1. Scheduled Caste (SC) 940 2. Scheduled Tribe (ST) 970 3. Non SC/ST 920 4. Backward districts 950 5. Non-backward districts 920 6. Rural 930 7. Urban 910 (i) Represent the information above by a bar graph. (ii) In the classroom discuss what conclusions can be arrived at from the graph.

2. Classify the data in Q.1 above as primary or secondary data.