Life expectancy at birth is denoted in a life table by: MCQ with Answer and Explanation

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Life expectancy at birth is denoted in a life table by:

A. q_0

B. l_0

C. e°_0

D. T_0

Answer: Option C

Solution (By JKExamLibrary)

e°_x represents complete expectation of life at age x. At birth (age 0), it is e°_0.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Wholesale Price Index (WPI) in India primarily measures price changes for goods at which stage?

A. Retail sale to consumers

B. Import at customs

C. Factory gate before any distribution

D. First point of bulk sale in the market

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Correct Answer: Option D

Explanation:
WPI tracks price movements of goods traded in bulk at the wholesale level (first point of mass sale), reflecting producer and wholesale market inflation, distinct from consumer-focused CPI.

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Question #2 Report Error

Net Reproduction Rate (NRR) differs from Gross Reproduction Rate (GRR) because NRR takes into account:

A. Mortality rates of mothers

B. Migration rates

C. Male births

D. Economic status

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Correct Answer: Option A

Explanation:
NRR adjusts the GRR by factoring in the probability that a female child will survive through her reproductive years.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Data collected for the first time by an investigator for a specific purpose is called:

A. Published data

B. Primary data

C. Secondary data

D. Compiled data

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Correct Answer: Option B

Explanation:
Primary data is original data collected fresh for a particular research objective.

This question belongs to: Accountancy and Statistics Statistics

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