If (AB) = 0, the attributes A and B are: MCQ with Answer and Explanation

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If (AB) = 0, the attributes A and B are:

A. Complete positive association

B. Independent

C. Randomly associated

D. Complete disassociation

Answer: Option D

Solution (By JKSSB Mock Tests)

(AB)=0 means no object possesses both A and B, indicating perfect negative association (complete disassociation).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

In demography, 'population momentum' refers to:

A. Continued population growth after fertility reaches replacement level due to young age structure

B. Mass migration events

C. Rapid urbanization

D. Sudden increase in life expectancy

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Correct Answer: Option A

Explanation:
Population momentum occurs when a young age structure (many future parents) causes growth to continue for decades even after fertility falls to replacement level, as births exceed deaths temporarily.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In a box of 100 bulbs, 10 are defective. Two bulbs are chosen at random. The probability that both are non-defective is:

A. 1 - (10/100)²

B. 90/100 × 89/99

C. 89/110

D. (90/100)²

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Correct Answer: Option B

Explanation:
P(first non-defective)=90/100, second non-defective=89/99, product.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a life table, the radix (l₀) is usually:

A. 1,000,000

B. 10,000

C. 100,000

D. 1000

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Correct Answer: Option C

Explanation:
Typically, l₀ = 100,000, representing the hypothetical birth cohort.

This question belongs to: Accountancy and Statistics Statistics

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