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If population-change data are given only at the state level, what caution is needed?

Answer and explanation

Correct answer: District and local differences may be hidden

The correct answer is A. State-level data combine information from many districts, towns and villages into one broad figure. Such an aggregate can show the overall pattern, but it may hide important local differences. One district may have rapid growth because of births or in-migration, while another may grow slowly, remain stable or lose people through out-migration. Therefore, we should not assume that every part of the state has the same experience. B is incorrect because state data can include or be calculated from births, deaths and migration; the issue is their level of detail. C wrongly assumes uniformity. D is also wrong because reliable population data still need appropriate collection and enumeration methods. Memory cue: always ask, “At what scale was the data collected?” A state average is not a description of every district.

Related tags

Population DataState LevelLocal VariationSpatial ScaleProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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