Which of the following statements is true? MCQ with Answer and Explanation

Question
Which of the following statements is true?
A. Fisher's index is the median of Laspeyres and Paasche
B. Fisher's index is the geometric mean of Laspeyres and Paasche
C. Fisher's index is the arithmetic mean of Laspeyres and Paasche
D. Fisher's index is the harmonic mean of Laspeyres and Paasche
Answer: Option B
Solution (By JKSSB Mock Tests)
Fisher's ideal index = √(Laspeyres × Paasche).
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
Consumer Price Index (CPI) is the preferred measure for adjusting:
A. Interest rates on loans
B. Export duties
C. Social security payments and wages for inflation
D. Corporate tax rates
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Correct Answer: Option C

Explanation:
CPI directly measures changes in the cost of living for households, making it the standard index for indexation of pensions, wages, and welfare benefits to maintain real purchasing power.
This question belongs to: Accountancy and Statistics Statistics
Question #2
If P(A)=0.6, P(B)=0.5, and P(A∩B)=0.3, then P(A'|B) is:
A. 0.5
B. 0.4
C. 0.6
D. 0.2
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Correct Answer: Option B

Explanation:
P(A'|B) = 1 - P(A|B). P(A|B) = 0.3/0.5 = 0.6. So P(A'|B)=0.4.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Life expectancy at birth is the:
A. Average age at death of a cohort
B. Maximum age a person can live
C. Median age of the population
D. Number of years a newborn is expected to live under current mortality patterns
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Correct Answer: Option D

Explanation:
Life expectancy at birth summarizes the age-specific mortality rates in a given period into a single synthetic measure.
This question belongs to: Accountancy and Statistics Statistics
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