If attributes A and B are positively associated, then (AB) is: MCQ with Answer and Explanation

If attributes A and B are positively associated, then (AB) is:
A. Greater than (A)(B)/N
B. Equal to (A)(B)/N
C. Zero
D. Less than (A)(B)/N
Answer: Option A
Solution (By JKExamLibrary)
Positive association means observed joint frequency exceeds independence expectation.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error
Ultimate class frequencies in a three-attribute system (A, B, C) refer to frequencies of classes like:
A. (A), (B), (C)
B. N only
C. (ABC), (ABγ), (AβC), (αBC), etc.
D. (AB), (AC), (BC)

Correct Answer: Option C


Explanation:
Ultimate class frequencies are the most detailed categories where each unit is classified by the presence or absence of every attribute, e.g., (ABC) for possessing all three, (ABγ) for A and B present but C absent.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
In attribute theory, the formula N = (A) + (α) represents:
A. Association criterion
B. First order frequencies summing to the universe
C. Zero order consistency
D. Yule's coefficient

Correct Answer: Option B


Explanation:
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
Question #3 Report Error
A life table radix l₀ of 100,000 means:
A. Life expectancy
B. The population size
C. Number of deaths
D. A hypothetical cohort of 100,000 births

Correct Answer: Option D


Explanation:
l₀ is the initial number of individuals in the life table cohort.

This question belongs to: Accountancy and Statistics Statistics