An event that cannot happen is called: MCQ with Answer and Explanation

An event that cannot happen is called:

A. Mutually exclusive event

B. Certain event

C. Complementary event

D. Impossible event

Answer: Option D

An impossible event has probability 0.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Neonatal mortality refers to deaths during the first:

A. 1 year

B. 28 days

C. 24 hours

D. 7 days

Correct Answer: Option B

Explanation:
Neonatal period is the first 28 days of life.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The registration of births and deaths in India is governed by:

A. The Public Health Act

B. The Census Act, 1948

C. The Vital Statistics Act, 1971

D. The Registration of Births and Deaths Act, 1969

Correct Answer: Option D

Explanation:
The RBD Act, 1969 provides for the compulsory registration of births and deaths in India.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

The circular test is used to check:

A. Whether the index satisfies time reversal

B. Factor reversal property

C. Unit independence

D. Consistency of index numbers when shifting base over multiple periods

Correct Answer: Option D

Explanation:
Circular test examines if the product of index numbers for consecutive periods equals the direct index for the whole period.

This question belongs to: Accountancy and Statistics Statistics