In which condition will comparison of natural increase be misleading?
Answer and explanation
Correct answer: Data for one area cover five years and for the other area cover ten years
Natural increase is based on the difference between births and deaths. If data for one area cover five years and data for another cover ten years, their total births and deaths are not measured on the same time basis, so a direct comparison can be misleading. Option A, in contrast, provides a comparable time period. Exam tip: before comparing population data, check that the time period and unit of measurement are the same.
Frequently asked questions
What is the correct answer to this question?
Data for one area cover five years and for the other area cover ten years
Why is this the correct answer?
Natural increase is based on the difference between births and deaths. If data for one area cover five years and data for another cover ten years, their total births and deaths are not measured on the same time basis, so a direct comparison can be misleading. Option A, in contrast, provides a comparable time period. Exam tip: before comparing population data, check that the time period and unit of measurement are the same.
Which subject and chapter does this question cover?
This is a Class 9 Geography question. Chapter: Population. Topic: Processes of Population Change.
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