Standardized death rate by direct method is computed as: MCQ with Answer and Explanation

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Standardized death rate by direct method is computed as:

A. Σ (m_x × P_sx) / Σ P_sx, where m_x are age-specific death rates of study population and P_sx are standard population age distribution

B. Σ (M_x × p_x) where M_x are standard rates

C. Simple average of age-specific rates

D. Crude death rate of standard population

Answer: Option A

Solution (By JKSSB Mock Tests)

Direct standardization applies observed rates to a standard population structure.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Infant mortality rate and life expectancy at birth are generally:

A. Negatively correlated

B. Equal

C. Positively correlated

D. Uncorrelated

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Correct Answer: Option A

Explanation:
Higher IMR is associated with lower life expectancy.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The total fertility rate is 3.0. If the proportion of female births is 0.49 and the survival rate of women to reproductive age is 0.9, the NRR is approximately:

A. 1.47

B. 0.9

C. 2.7

D. 1.323

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Correct Answer: Option D

Explanation:
GRR = 3.0 × 0.49 = 1.47. NRR = 1.47 × 0.9 = 1.323.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Two cards are drawn from a deck without replacement. The probability that both are aces is:

A. 1/1326

B. 1/221

C. 4/663

D. 1/169

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Correct Answer: Option B

Explanation:
P = (4/52)×(3/51) = 12/2652 = 1/221.

This question belongs to: Accountancy and Statistics Statistics

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