Crude Birth Rate is the number of live births per ______ population in a year. MCQ with Answer and Explanation
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Question #1
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Given N=100, (A)=40, (B)=30. The expected frequency of (AB) under independence is:
Correct Answer: Option D
Explanation:
Expected (AB) = (A)×(B)/N = 40×30/100 = 12.
Expected (AB) = (A)×(B)/N = 40×30/100 = 12.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Vital statistics are derived primarily from:
Correct Answer: Option D
Explanation:
The continuous, permanent, and compulsory recording of vital events (births, deaths) happens via civil registration.
The continuous, permanent, and compulsory recording of vital events (births, deaths) happens via civil registration.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Consider the following statements about primary data: 1. It is collected directly by the investigator. 2. It is always more reliable than secondary data. 3. It is economical in terms of time and cost. Which of the statements is/are correct?
Correct Answer: Option C
Explanation:
Primary data is collected firsthand (1 correct). It is not necessarily more reliable than secondary data, and it is more expensive and time-consuming (2,3 false).
Primary data is collected firsthand (1 correct). It is not necessarily more reliable than secondary data, and it is more expensive and time-consuming (2,3 false).
This question belongs to:
Accountancy and Statistics
Statistics
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