The Maternal Mortality Ratio (MMR) in India has recently declined to around: MCQ with Answer and Explanation
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Question #1
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The harmonic mean is the reciprocal of the arithmetic mean of:
Correct Answer: Option D
Explanation:
HM = 1 / [ (1/n) Σ (1/x_i) ].
HM = 1 / [ (1/n) Σ (1/x_i) ].
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Assertion (A): Primary data collection is generally more time-consuming than secondary data collection. Reason (R): Primary data requires designing instruments, sampling, and fieldwork, whereas secondary data is readily available.
Correct Answer: Option C
Explanation:
Primary data collection involves extensive planning, instrument design, sampling, and field execution, making it inherently more time-intensive than accessing pre-existing secondary data.
Primary data collection involves extensive planning, instrument design, sampling, and field execution, making it inherently more time-intensive than accessing pre-existing secondary data.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which of the following pairs are mutually exclusive?
Correct Answer: Option A
Explanation:
Head and tail cannot occur simultaneously in one toss.
Head and tail cannot occur simultaneously in one toss.
This question belongs to:
Accountancy and Statistics
Statistics
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