Neonatal mortality refers to deaths in the first: MCQ with Answer and Explanation
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Question #1
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Base year for constructing an index number should ideally be:
Correct Answer: Option B
Explanation:
A 'normal' base year avoids distortions in the index that would arise if the reference point was anomalous (e.g., drought, pandemic).
A 'normal' base year avoids distortions in the index that would arise if the reference point was anomalous (e.g., drought, pandemic).
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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A bag contains 3 red and 4 black balls. If two balls are drawn at random without replacement, what is the probability that both are red?
Correct Answer: Option B
Explanation:
P(Both Red) = (3/7) × (2/6) = 6/42 = 1/7.
P(Both Red) = (3/7) × (2/6) = 6/42 = 1/7.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The mid-value of a class interval is 25 and the class width is 10. The class limits (exclusive) are:
Correct Answer: Option C
Explanation:
Lower limit = mid-value - width/2 = 25 - 5 = 20; upper limit = 25 + 5 = 30.
Lower limit = mid-value - width/2 = 25 - 5 = 20; upper limit = 25 + 5 = 30.
This question belongs to:
Accountancy and Statistics
Statistics
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