Question

13. What are (i) measurement errors, and (ii) recording mistakes?
14. What are the main sources of errors in the collection of data?
15. "Census of India provide statistical information on various aspects of demographic char
in India." Explain.
16. "Secondary data are those which are already in existence, and which have been colle
for some other purpose than the answering of the question in hand." Substantiate
statement focusing on the difference between primary and secondary data.
tistical tables giving district-wise birth and death rates (number of births and deat
1,000 of population) are obtained from publications of the Census of India 2011. Woul
call them primary or secondary data? Give two reasons in support of your answer.
17. Statistical tables​

Answer 1

Answer:

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