For two attributes A and B, the relationship (AB) + (Aβ) equals: MCQ with Answer and Explanation

For two attributes A and B, the relationship (AB) + (Aβ) equals:
A. (A)
B. N
C. (B)
D. (β)
Answer: Option A
Solution (By JKSSB Mock Tests)
The total frequency of attribute A is the sum of those possessing both A and B, and those possessing A but lacking B.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1
A set of 9 numbers has mean 12. If a number 15 is removed, the new mean is:
A. 11.5
B. 12.0
C. 13.0
D. 11.625

Correct Answer: Option D


Explanation:
Sum initially = 9 × 12 = 108. After removing 15, sum = 93, n = 8. New mean = 93/8 = 11.625.

This question belongs to: Accountancy and Statistics Statistics
Question #2
In the theory of attributes, the consistency condition (AB) ≥ 0 is an example of:
A. Ultimate class frequency condition
B. Association condition
C. Axiom of probability
D. Independence condition

Correct Answer: Option A


Explanation:
All ultimate class frequencies must be non-negative.

This question belongs to: Accountancy and Statistics Statistics
Question #3
A random experiment is defined as:
A. An experiment where all outcomes are equally likely
B. An experiment with a predetermined outcome
C. An experiment that can be repeated under identical conditions with uncertain outcomes
D. An experiment conducted only once

Correct Answer: Option C


Explanation:
A random experiment has well-defined possible outcomes, can be repeated under similar conditions, and the exact outcome cannot be predicted with certainty before performing the experiment.

This question belongs to: Accountancy and Statistics Statistics