GROUP 7
MOHAMAD SHAHRIZAN BIN ABD HAMID
MUHAMMAD AMIN ADZLIMIN BIN AMRAN
ROBIATUL ADAWIYAH BINTI MOHD SAMSUDIN
INCREMENTAL INCREASE METHOD
Year
|
Population
|
Increase (X)
|
Incremental Increase (Y)
|
1961
|
858545
|
-
|
-
|
1971
|
1015672
|
157127
|
-
|
1981
|
1201553
|
185881
|
28754
|
1991
|
1691538
|
489985
|
304104
|
2001
|
2077820
|
386282
|
-103703
|
2011
|
2585862
|
508042
|
121760
|
Total
|
1727317
|
350915
|
|
Average
|
345463
|
87729
|
Population in year 2021 is, P 2021 = 2585862 + (345463 x 1) +
{(1 (1+1))/2} x 87729
= 3019054
For year 2031 P 2031 =
2585862 + (345463 x 2) + {(2(2+1)/2)} x 87729
= 3539975
P 2041 = 2585862 + (345463 x 3) +
{(3(3+1)/2)} x 87729
= 4148625
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