Which average is most appropriate for calculating average of ratios like price-earnings ratios? MCQ with Answer and Explanation

Which average is most appropriate for calculating average of ratios like price-earnings ratios?
A. Arithmetic mean
B. Harmonic mean
C. Median
D. Mode
Answer: Option B
Solution (By JKExamLibrary)
When averaging rates where numerators are same, harmonic mean is appropriate.

This question belongs to: Accountancy and Statistics Statistics

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The number of observations falling in a particular class is called:
A. Cumulative frequency
B. Class mark
C. Class frequency
D. Relative frequency

Correct Answer: Option C


Explanation:
Class frequency is the count of data points within a class interval.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
Index numbers are typically expressed in:
A. Ratios
B. Logarithms
C. Absolute units
D. Percentages

Correct Answer: Option D


Explanation:
Index numbers are relative measures usually multiplied by 100 to be expressed as percentages for easy comparison.

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Neonatal Mortality Rate (NMR) specifically measures deaths occurring:
A. During childbirth only
B. Within the first 28 days (0-27 days) of life
C. Within the first 24 hours of life
D. Between 28 days and 1 year of age

Correct Answer: Option B


Explanation:
NMR = (Deaths under 28 days / Live births) × 1,000. It isolates early infancy mortality, often reflecting quality of obstetric and immediate newborn care.

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