Perinatal mortality rate includes deaths from: MCQ with Answer and Explanation

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Perinatal mortality rate includes deaths from:

A. 28 weeks gestation to 7 days after birth

B. 1 month to 1 year

C. 0-5 years

D. Birth to 1 year

Answer: Option A

Solution (By JKSSB Mock Tests)

Perinatal period = stillbirths (28+ weeks) and early neonatal deaths (first 7 days).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Crude Death Rate of 8 per 1000 means:

A. 8 deaths per 1000 live births

B. 8 deaths per 1000 population in a year

C. 8% of population died

D. 8 deaths per 1000 women

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Correct Answer: Option B

Explanation:
CDR = (Deaths/Mid-year population)×1000.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The Paasche quantity index formula is:

A. Σp₁q₁ / Σp₁q₀ × 100

B. Σp₀q₁ / Σp₀q₀ × 100

C. Σp₀q₁ / Σp₁q₁ × 100

D. Σp₁q₁ / Σp₀q₁ × 100

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Correct Answer: Option A

Explanation:
Paasche quantity index uses current period prices as weights.

This question belongs to: Accountancy and Statistics Statistics

Question #3

A medical test has 95% sensitivity and 90% specificity. If disease prevalence is 1%, the probability that a person with a positive test actually has the disease is approximately:

A. 50.0%

B. 8.7%

C. 15.3%

D. 95.0%

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Correct Answer: Option B

Explanation:
Using Bayes: P(Disease|Positive) = [Sensitivity × Prevalence] / [Sensitivity×Prev + (1-Specificity)×(1-Prev)] = (0.95×0.01) / (0.95×0.01 + 0.10×0.99) = 0.0095 / (0.0095 + 0.099) = 0.0095/0.1085 ≈ 0.0876 ≈ 8.7%. Highlights low positive predictive value when prevalence is low.

This question belongs to: Accountancy and Statistics Statistics

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