The geometric mean is undefined if the data contains: MCQ with Answer and Explanation

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The geometric mean is undefined if the data contains:

A. Values greater than 1

B. Positive numbers only

C. Only fractions

D. Negative numbers and zero

Answer: Option D

Solution (By JKSSB Mock Tests)

GM is defined only for positive numbers; zero or negative values are not allowed.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Life expectancy at birth is the:

A. Number of years a newborn is expected to live under current mortality patterns

B. Maximum age a person can live

C. Median age of the population

D. Average age at death of a cohort

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Correct Answer: Option A

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

Question #2

Neonatal Mortality Rate (NMR) specifically measures deaths occurring:

A. During childbirth only

B. Within the first 24 hours of life

C. Within the first 28 days (0-27 days) of life

D. Between 28 days and 1 year of age

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Correct Answer: Option C

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

This question belongs to: Accountancy and Statistics Statistics

Question #3

The CPI (Rural) and CPI (Urban) are compiled by:

A. Labour Bureau

B. NITI Aayog

C. RBI

D. Central Statistics Office (NSO)

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Correct Answer: Option D

Explanation:
The National Statistical Office (NSO), under MoSPI, compiles the CPI for rural, urban, and combined.

This question belongs to: Accountancy and Statistics Statistics

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