Question: From the chain base index given below, perpare fixed base index numbers.
Year: 1981 1982 1983 1984 1985
Index: 110 160 140 200 150
Solution:
Conversion from chain base to fixed base index
Year | Chain base index | Conversion | Fixed index |
1981 | 110 | 110.0 | |
1982 | 160 | (160×110)/100 | 176.0 |
1983 | 140 | (140×176)/100 | 246.4 |
1984 | 200 | (200×264.4)/100 | 492.8 |
1985 | 150 | (150×492.8)/100 | 739.2 |