The main advantage of using a schedule over a questionnaire is: MCQ with Answer and Explanation

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The main advantage of using a schedule over a questionnaire is:

A. Anonymity

B. Higher response rate and accuracy through personal interview

C. Lower cost

D. Faster coverage

Answer: Option B

Solution (By JKExamLibrary)

The enumerator can clarify doubts and motivate response, leading to better data quality.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

A box contains 5 defective and 15 non-defective items. Two items are drawn. The probability that both are non-defective is:

A. 1 - (5/20)²

B. 21/38

C. (15/20)²

D. 15/20 × 14/19 = 21/38

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Correct Answer: Option D

Explanation:
P(both non-defective) = (15/20)×(14/19) = 210/380 = 21/38.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The sample space for tossing three coins is:

A. 4 outcomes

B. 8 outcomes

C. 6 outcomes

D. 2 outcomes

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Correct Answer: Option B

Explanation:
Three independent coins yield 2³ = 8 possible sequences.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Direct standardization of death rates requires:

A. Crude death rates of both populations

B. Fertility data for adjustment

C. Age-specific death rates of the study population and age distribution of a standard population

D. Total deaths and population for both groups

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Correct Answer: Option C

Explanation:
Direct standardization applies the study population's age-specific death rates to a standard age structure to compute a hypothetical crude rate, enabling comparison free from age composition effects.

This question belongs to: Accountancy and Statistics Statistics

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