Discussion
Assertion (A) : Fisher's Index No. is ideal Index No.
Reason (R) : Fisher's Index satisfies time reversal and factor reversal tests.
Codes :
Answer: A
Both statements are true and the reason explains the assertion. Fisher's index number is called the ideal index because it satisfies both the time reversal test and the factor reversal test, which most other formulae fail to meet together. It is the geometric mean of the Laspeyres and Paasche indices. So the reason is the correct explanation of the assertion, which is the first option.
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