In the chain-base method, each year's index is generally compared with:
Correct answer: B. The immediately preceding year
- A. The original base year
- B. The immediately preceding year
- C. The average of all years
- D. The final year in the series
Explanation
The chain-base method links successive short-term relatives, so each year is compared with the preceding year. A fixed-base index compares every year with one unchanged base year.
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