If a population has a high proportion of young people, the crude death rate may be low even if age-specific rates are high. This is an example of: MCQ with Answer and Explanation

If a population has a high proportion of young people, the crude death rate may be low even if age-specific rates are high. This is an example of:

A. Direct standardization

B. Reverse causality

C. Sampling error

D. Age structure effect

Answer: Option D

A young population has fewer old people where mortality is high, thus CDR can be low.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Assertion (A): Fisher's Index is called the 'Ideal' index. Reason (R): It uses only base year quantities.

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

B. A is false but R is true

C. A is true but R is false

D. Both A and R are true but R is NOT the correct explanation

Correct Answer: Option C

Explanation:
A is true, but R is false because Fisher's index uses both base and current year quantities (Geometric mean of L and P).

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

When data is classified according to time (e.g., years, months, weeks), it is called:

A. Conditional classification

B. Discrete classification

C. Chronological classification

D. Geographical classification

Correct Answer: Option C

Explanation:
Chronological classification arranges data in order of time, forming a time series.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Net migration rate is calculated as the difference between in-migrants and out-migrants per:

A. 1000 population

B. Working-age population

C. 1000 births

D. Square kilometer

Correct Answer: Option A

Explanation:
Net migration rate = (Immigrants - Emigrants) / Mid-year population × 1000.

This question belongs to: Accountancy and Statistics Statistics