In a 2×2 contingency table for attributes A and B, the frequency of (Aβ) represents units that: MCQ with Answer and Explanation

In a 2×2 contingency table for attributes A and B, the frequency of (Aβ) represents units that:
A. Possess A and B
B. Do not possess A but possess B
C. Possess A but not B
D. Possess neither A nor B
Answer: Option C
Solution (By JKExamLibrary)
Standard notation: A = presence of attribute A, β = absence of attribute B. Thus, (Aβ) denotes units with attribute A present and attribute B absent.

This question belongs to: Accountancy and Statistics Statistics

Discuss this Question (0)

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

Practice More Statistics Questions

Question #1 Report Error
The infant mortality rate in India (SRS 2020) is around:
A. 50 per 1000
B. 28 per 1000 live births
C. 33 per 1000
D. 40 per 1000

Correct Answer: Option B


Explanation:
As per SRS 2020, India's IMR was 28 per 1000 live births.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
In demographic terminology, 'Morbidity' refers to:
A. Birth rates
B. Death rates
C. Sickness or disease rates
D. Migration rates

Correct Answer: Option C


Explanation:
Morbidity describes the incidence or prevalence of a disease or illness within a population.

This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
Harmonic mean is the reciprocal of the arithmetic mean of:
A. Logarithms of observations
B. Reciprocals of observations
C. Squares of observations
D. Observations themselves

Correct Answer: Option B


Explanation:
HM = 1 / [ (1/n) Σ (1/x_i) ].

This question belongs to: Accountancy and Statistics Statistics