1. The following is the population data of a city, available from past census records. Determine the population of the city in 2021 by (a) arithmetic increase method; (b) geometric increase method; (c) incremental increase method; and (d) declining growth method. Also, comment on the relative merits of each method of population forecast. Year 1961 1971 1981 1991 2001 2011 Population 12000 16500 26800 41500 57500 68000

Structural Analysis
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1. The following is the population data of a city, available from past census records. Determine the
population of the city in 2021 by (a) arithmetic increase method; (b) geometric increase method; (c)
incremental increase method; and (d) declining growth method. Also, comment on the relative merits
of each method of population forecast.
Year
1961
1971
1981
1991
2001
2011
Population
12000
16500
26800
41500
57500
68000
Transcribed Image Text:1. The following is the population data of a city, available from past census records. Determine the population of the city in 2021 by (a) arithmetic increase method; (b) geometric increase method; (c) incremental increase method; and (d) declining growth method. Also, comment on the relative merits of each method of population forecast. Year 1961 1971 1981 1991 2001 2011 Population 12000 16500 26800 41500 57500 68000
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