If age-specific death rates are applied to a standard population, the resulting rate is called: MCQ with Answer and Explanation

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If age-specific death rates are applied to a standard population, the resulting rate is called:

A. Indirectly standardized death rate

B. Specific death rate

C. Directly standardized death rate

D. Crude death rate

Answer: Option C

Solution (By JKSSB Mock Tests)

Direct standardization uses study population's age-specific rates with 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 (IMR) is calculated as:

A. Deaths under 5 years / Live births × 1,000

B. Maternal deaths / Live births × 100,000

C. Deaths under 1 year / Total births × 1,000

D. Deaths under 1 year / Mid-year population under 1 × 1,000

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Correct Answer: Option C

Explanation:
IMR = (Number of infant deaths (under 1 year) in a year / Number of live births in the same year) × 1,000. It is a sensitive indicator of healthcare quality and socioeconomic conditions.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The weighted arithmetic mean formula is:

A. Σx / Σw

B. Σwx / Σw

C. Σw / Σwx

D. Σwx / n

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Correct Answer: Option B

Explanation:
Weighted mean = Σ(w_i × x_i) / Σ w_i.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If a constant is added to all observations, which of the following measures changes?

A. Standard deviation

B. Arithmetic mean

C. Variance

D. Range

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Correct Answer: Option B

Explanation:
Adding a constant changes the mean but not measures of dispersion.

This question belongs to: Accountancy and Statistics Statistics

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