Crude Death Rate is least appropriate for comparing mortality between: MCQ with Answer and Explanation

Crude Death Rate is least appropriate for comparing mortality between:
A. Consecutive years in the same population
B. Two districts with similar age structures
C. Urban and rural areas of the same region
D. A country with young population and one with old population
Answer: Option D
Solution (By JKSSB Mock Tests)
CDR is heavily influenced by age structure; comparing a young population (low CDR) with an old one (high CDR) can misrepresent true mortality differences, necessitating age-standardized rates.

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Practice More Statistics Questions

Question #1
In a set of 10 values, the sum of deviations from 5 is 20 and from 6 is 10. The mean is:
A. 6
B. 8
C. 5.5
D. 7

Correct Answer: Option D


Explanation:
Σ(x-5)=Σx -50=20 → Σx=70. Mean=7. Check: Σ(x-6)=70-60=10, correct.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Which of the following is a component of population change?
A. Migration
B. Mortality
C. Fertility
D. All of the above

Correct Answer: Option D


Explanation:
Population change is determined by the balance of births, deaths, and net migration.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Which of the following is a method of collecting primary data?
A. Using published journals
B. Referring to old records of a company
C. Extracting data from internet
D. Schedules sent through enumerators

Correct Answer: Option D


Explanation:
Schedules filled by enumerators is a primary data collection method; the others are secondary sources.

This question belongs to: Accountancy and Statistics Statistics