Fisher's ideal index number is also obtained by _______________?
Correct answer: B. Taking G.M. of Laspeyre's and Paasche's index
- A. Taking A.M. of Laspeyre's and Paasche's index
- B. Taking G.M. of Laspeyre's and Paasche's index
- C. Both (a) and (b)
- D. None of these
Explanation
Fisher's ideal index is the geometric mean of the Laspeyres and Paasche indices: √(L × P). The arithmetic mean is not Fisher's formula.
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