Maternal Mortality Ratio is defined as maternal deaths per 100,000 live births. It measures: MCQ with Answer and Explanation
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Question #1
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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 B
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.
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Accountancy and Statistics
Statistics
Question #2
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A frequency distribution is best described as:
Correct Answer: Option C
Explanation:
A frequency distribution organizes data into classes or intervals and displays the count (frequency) of observations falling within each class, summarizing the data's pattern.
A frequency distribution organizes data into classes or intervals and displays the count (frequency) of observations falling within each class, summarizing the data's pattern.
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Accountancy and Statistics
Statistics
Question #3
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A bag contains 3 red and 2 blue balls. Two balls are drawn at random without replacement. The probability that both are red is:
Correct Answer: Option D
Explanation:
P(both red) = (3/5) × (2/4) = 6/20 = 3/10. Without replacement, the probability changes after the first draw, requiring multiplication of conditional probabilities.
P(both red) = (3/5) × (2/4) = 6/20 = 3/10. Without replacement, the probability changes after the first draw, requiring multiplication of conditional probabilities.
This question belongs to:
Accountancy and Statistics
Statistics
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