In a classroom, the average weight of 20 boys is 60 kg and that of 30 girls is 50 kg. The combined average weight of all students is: MCQ with Answer and Explanation
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Question #1
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Neonatal deaths are those occurring in the first:
Correct Answer: Option C
Explanation:
Neonatal period = 0-28 days.
Neonatal period = 0-28 days.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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In the context of primary data collection, which of the following statements is/are true? 1. Schedule is filled by the enumerator. 2. Questionnaire is self-administered. 3. Schedule requires literate respondents. Select the correct answer:
Correct Answer: Option D
Explanation:
Schedule is filled by enumerator, so respondents need not be literate; questionnaire is filled by the respondent. Statement 3 is false because schedule does not require literate respondents.
Schedule is filled by enumerator, so respondents need not be literate; questionnaire is filled by the respondent. Statement 3 is false because schedule does not require literate respondents.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If (AB) = 0, the attributes A and B are:
Correct Answer: Option C
Explanation:
(AB)=0 means no object possesses both A and B, indicating perfect negative association (complete disassociation).
(AB)=0 means no object possesses both A and B, indicating perfect negative association (complete disassociation).
This question belongs to:
Accountancy and Statistics
Statistics
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