The sex ratio in India is defined as: MCQ with Answer and Explanation

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The sex ratio in India is defined as:

A. Males per 1000 females

B. Females per 1000 population

C. Males per 1000 population

D. Females per 1000 males

Answer: Option D

Solution (By JKSSB Mock Tests)

Sex ratio = (number of females / number of males) × 1000.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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In an examination, 60% candidates passed in English (A), 50% in Math (B), and 30% in both (AB). Are attributes A and B independent?

A. No, they are negatively associated

B. Yes, they are independent

C. Data is inconsistent

D. No, they are positively associated

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Correct Answer: Option B

Explanation:
P(A) * P(B) = 0.6 * 0.5 = 0.3. Since P(AB) = 0.3, they are perfectly independent.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Crude Death Rate of 8 per 1,000 implies that in a population of 1 million, annual deaths are approximately:

A. 800

B. 800,000

C. 8,000

D. 80,000

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Correct Answer: Option C

Explanation:
CDR = (Deaths / Population) × 1,000 → Deaths = (CDR × Population) / 1,000 = (8 × 1,000,000) / 1,000 = 8,000. Simple application of the rate formula.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The total fertility rate (TFR) is the sum of age-specific fertility rates multiplied by the width of age interval. If 5-year groups, it is multiplied by:

A. 10

B. 1

C. 1000

D. 5

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Correct Answer: Option D

Explanation:
TFR = 5 × Σ ASFR (per woman) if ASFR are computed per 1000 women per 5-year interval and divided by 1000 appropriately. Actually, if ASFRs are in per 1000, TFR = 5 × Σ ASFR_i / 1000.

This question belongs to: Accountancy and Statistics Statistics

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