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 not possessing A but possessing B

B. Number possessing neither

C. Number possessing A but not B

D. Number possessing A and 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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Practice More Statistics Questions

Question #1

Bayes' theorem is particularly useful in:

A. Calculating simple probabilities

B. Determining sample size

C. Updating beliefs with new evidence in diagnostic testing or machine learning

D. Constructing frequency distributions

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Correct Answer: Option C

Explanation:
Bayes' theorem provides a formal framework for revising prior probabilities based on observed data, crucial in medical testing (e.g., disease probability given positive test) and Bayesian statistics.

This question belongs to: Accountancy and Statistics Statistics

Question #2

According to the Indian census, a person aged 7 years and above who can read and write with understanding in any language is considered:

A. Literate

B. Educated

C. Illiterate

D. Semi-literate

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Correct Answer: Option A

Explanation:
Census definition of literacy is ability to read and write with understanding in any language for persons aged 7+.

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Question #3

For two attributes A and B, independence (no association) implies:

A. (AB) = (A) + (B)

B. (AB) = 0

C. (AB) = (A)(B)/N²

D. (AB)/N = (A)/N × (B)/N

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Correct Answer: Option D

Explanation:
Independence means the proportion of items with both attributes equals the product of the individual proportions.

This question belongs to: Accountancy and Statistics Statistics

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