Which of the following statements about maternal mortality ratio (MMR) is incorrect? MCQ with Answer and Explanation

Question
Which of the following statements about maternal mortality ratio (MMR) is incorrect?
A. MMR is the number of maternal deaths per 100,000 live births.
B. MMR has declined in India over recent decades.
C. MMR is a measure of fertility.
D. High MMR indicates poor maternal healthcare.
Answer: Option C
Solution (By JKSSB Mock Tests)
MMR is a mortality indicator, not a fertility measure.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
A speaks truth in 70% cases, B in 80% cases. In what percentage of cases are they likely to contradict each other in stating the same fact?
A. 56%
B. 44%
C. 38%
D. 50%
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Correct Answer: Option C

Explanation:
Contradiction = P(A truth and B lie) + P(A lie and B truth) = 0.7×0.2 + 0.3×0.8 = 0.14+0.24=0.38=38%.
This question belongs to: Accountancy and Statistics Statistics
Question #2
If a dataset's mean is greater than its median, the skewness is:
A. Positive
B. Zero
C. Cannot be determined
D. Negative
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Correct Answer: Option A

Explanation:
Mean > Median typically indicates positive skewness.
This question belongs to: Accountancy and Statistics Statistics
Question #3
The weighted mean is used when:
A. Data are symmetric
B. Different items have different degrees of importance
C. All items have the same importance
D. Data are qualitative
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Correct Answer: Option B

Explanation:
Weights reflect relative importance of each item.
This question belongs to: Accountancy and Statistics Statistics
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