Question

In which method of population forecast, percentage increase in population from decade to decade is assumed constant?

(a) Arithmetical increase method

(b) Geometrical increase method

(c) Incremental increase method

(d) Decreased rate of growth method

I have been asked this question in class test.

Question is taken from Population Forecasting in portion Water Demand and Quantity of Environmental Engineering

Answer 1

The correct choice is (b) Geometrical increase method

The explanation: In the geometrical increase method, percentage increase in population from decade to decade is assumed constant. Percentage increase in population is found from a population of 3 or 4 decades and then its average is found.