Question

Telling mistakes?
1. What are the main sources of errors in the collection of data?
"Census of India provide statistical information on various aspects of demographic changes i
in India." Explain
"Secondary data are those which are already in existence, and which have been collected, i
for some other purpose than the answering of the question in hand." Substantiate this
statement focusing on the difference between primary and secondary data.
Statistical tables giving district-wise birth and death rates (number of births and deaths per i
1,000 of population) are obtained from publications of the Census of India 2011. Would you
call them primary or secondary data? Give two reasons in support of your answer.
Statistics for Economics
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Answer 1

Answer:

1

Explanation:

• Due to direct personal interview.
• Due to indirect oral interviews.
• Information from correspondents may be misleading.
• Mailed questionnaire may not be properly answered.
• Schedules sent through enumerators, may give wrong information