In attribute theory, the consistency condition (αB) ≥ 0 is always true because: MCQ with Answer and Explanation

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In attribute theory, the consistency condition (αB) ≥ 0 is always true because:

A. It depends on N

B. It is a hypothesis

C. Frequencies cannot be negative

D. It is an assumption

Answer: Option C

Solution (By JKSSB Mock Tests)

Frequencies must be non-negative by definition.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Perinatal mortality rate includes:

A. Maternal deaths

B. All infant deaths

C. Stillbirths and deaths in the first week of life

D. Deaths under one year

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Correct Answer: Option C

Explanation:
Perinatal mortality covers late fetal deaths (stillbirths) and early neonatal deaths (first 7 days).

This question belongs to: Accountancy and Statistics Statistics

Question #2

If P(A)=0.4, P(B)=0.5, and P(A∩B)=0.2, then P(A'∩B') is:

A. 0.3

B. 0.7

C. 0.5

D. 0.1

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Correct Answer: Option A

Explanation:
P(A∪B)=0.4+0.5-0.2=0.7. P(A'∩B')=1-0.7=0.3.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If a dataset has a mean of 100 and a coefficient of variation of 20%, the standard deviation is:

A. 20

B. 30

C. 10

D. 40

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Correct Answer: Option A

Explanation:
Coefficient of variation (CV) = (SD / Mean) × 100. So 20 = (SD / 100) × 100 → SD = 20. CV standardizes dispersion relative to the mean.

This question belongs to: Accountancy and Statistics Statistics

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