A 'life table' provides estimates of: MCQ with Answer and Explanation

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A 'life table' provides estimates of:

A. Probability of dying at each age and life expectancy

B. Fertility rates only

C. Migration rates

D. Population density

Answer: Option A

Solution (By JKSSB Mock Tests)

Life tables summarize age-specific mortality and survival.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

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Which principle is violated if a questionnaire contains the question 'What is your income and how many children do you have?'

A. Avoid double-barreled questions

B. Proper sequence

C. Avoid leading questions

D. Simplicity

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Correct Answer: Option A

Explanation:
A double-barreled question asks about two different things at once, making it impossible to answer accurately for one part.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Assertion (A): Fisher's index is called 'ideal' because it satisfies important mathematical tests. Reason (R): It is the geometric mean of Laspeyres and Paasche indices, balancing their biases.

A. Both A and R are true, and R is the correct explanation of A

B. Both A and R are true, but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

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Correct Answer: Option A

Explanation:
Fisher's index earns the 'ideal' designation by satisfying time reversal and factor reversal tests, achieved through its geometric mean formulation that mitigates the upward bias of Laspeyres and downward bias of Paasche.

This question belongs to: Accountancy and Statistics Statistics