In attribute theory, the formula N = (A) + (α) represents: MCQ with Answer and Explanation

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In attribute theory, the formula N = (A) + (α) represents:

A. Association criterion

B. Yule's coefficient

C. Zero order consistency

D. First order frequencies summing to the universe

Answer: Option D

Solution (By JKSSB Mock Tests)

The total population N is divided completely between those possessing the attribute (A) and those not possessing it (α).

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The neonatal mortality rate (NMR) in India has declined but still accounts for what proportion of infant deaths?

A. About one-third

B. About two-thirds

C. 90%

D. Half

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Correct Answer: Option B

Explanation:
Neonatal deaths (first 28 days) constitute about 60-70% of infant deaths in India.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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A committee of 4 is to be selected from 5 men and 4 women. The probability that the committee has exactly 2 women is:

A. 1/2

B. 20/63

C. 5/9

D. 10/21

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Correct Answer: Option D

Explanation:
Total ways C(9,4)=126. Favorable: C(4,2)×C(5,2)=6×10=60. Probability = 60/126 = 10/21.

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Question #3

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Consider attributes: Vaccination (A) and Immunity (B). If (AB) = 150, (A) = 200, (B) = 300, N = 500, what type of association exists?

A. Positive Association

B. Negative Association

C. Independent

D. Inconsistent Data

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Correct Answer: Option A

Explanation:
Expected (AB) if independent = (200*300)/500 = 120. Actual (AB) = 150. Since Actual > Expected, the association is positive.

This question belongs to: Accountancy and Statistics Statistics

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