The harmonic mean is most appropriate for: MCQ with Answer and Explanation

Question
The harmonic mean is most appropriate for:
A. Average height
B. Average price
C. Average growth rate
D. Average speed when distance is fixed
Answer: Option D
Solution (By JKSSB Mock Tests)
HM is used for rates when the numerator is constant.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
The infant mortality rate in Kerala is lower than in Madhya Pradesh primarily due to:
A. Larger population
B. Better healthcare and higher female literacy
C. Higher income
D. Higher fertility
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Correct Answer: Option B

Explanation:
Kerala's good health infrastructure and high literacy contribute to low IMR.
This question belongs to: Accountancy and Statistics Statistics
Question #2
In demography, 'dependency ratio' is calculated as:
A. (Population aged 0-14 + 65+) / Population aged 15-64 × 100
B. Literates / Illiterates × 100
C. Births / Deaths × 100
D. Urban population / Rural population × 100
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Correct Answer: Option A

Explanation:
Dependency ratio = (Young dependents + Old dependents) / Working-age population × 100, indicating the economic burden on the productive population to support non-working groups.
This question belongs to: Accountancy and Statistics Statistics
Question #3
The Paasche price index tends to ______ the true increase in prices if consumers substitute away from goods that have become more expensive.
A. Understate
B. Overstate
C. Exactly measure
D. Not measure
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Correct Answer: Option A

Explanation:
Paasche uses current period quantities; substitution away from expensive items reduces their weight, leading to understatement.
This question belongs to: Accountancy and Statistics Statistics
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