In the theory of attributes, the class frequency (Aβ) represents: MCQ with Answer and Explanation

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In the theory of attributes, the class frequency (Aβ) represents:

A. Number possessing neither

B. Number possessing A and B

C. Number possessing A but not B

D. Number not possessing A but possessing B

Answer: Option C

Solution (By JKSSB Mock Tests)

β indicates absence of B; (Aβ) = items with A and without B.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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For given data Σp₁q₀=480, Σp₀q₀=400, Σp₁q₁=600, Σp₀q₁=500. Fisher's index is:

A. 120.0

B. 121.0

C. 122.5

D. 124.9

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Correct Answer: Option A

Explanation:
Laspeyres = 480/400×100=120; Paasche = 600/500×100=120; Fisher = √(120×120) = 120.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The concept of 'population momentum' refers to:

A. Increase in life expectancy

B. Urbanization rate

C. Tendency of population to grow despite declining fertility due to large reproductive-age population

D. Net migration

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Correct Answer: Option C

Explanation:
Population momentum is the built-in growth potential resulting from a young age structure, even if fertility drops to replacement level.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Crude Birth Rate is the number of live births per ______ population in a year.

A. 10,000

B. 100

C. 100,000

D. 1000

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Correct Answer: Option D

Explanation:
CBR = (Live births / Mid-year total population) × 1000.

This question belongs to: Accountancy and Statistics Statistics

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