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In which condition can comparison of decadal growth be wrong?

Answer and explanation

Correct answer: When data for one area cover ten years and data for another area cover five years

The direct answer is A: comparison becomes misleading when one area is measured over ten years and the other over only five years. Decadal growth refers to change over a ten-year period, so both places must be compared over equivalent time intervals and, where possible, with consistent definitions and boundaries. Otherwise one figure has more time in which change can occur, making the comparison unfair. Option A is correct because the time bases differ. Option B is wrong because the same ten-year period supports a valid comparison. Option C is wrong because comparable census data improve the reliability of the comparison. Option D is wrong because the same population definition also makes comparison more consistent. Memory cue: before comparing growth, check the same years, area and definition.

Related tags

Decadal GrowthCensus DataTime PeriodPopulation ComparisonPopulation GrowthPopulationGeographyClass 9 Mcq

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