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

Question

Share Report Error

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

A. Possess A and B

B. Possess A but not B

C. Do not possess A but possess B

D. Possess neither A nor B

Answer: Option B

Solution (By JKSSB Mock Tests)

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

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Statistics Questions

Question #1

Share Report

Consider the following statements: 1. Weighted mean considers the relative importance of different items. 2. Combined mean depends on group sizes and group means. 3. Arithmetic mean is always the best measure for skewed data. Which is/are correct?

A. 1 and 3 only

B. 1, 2 and 3

C. 2 and 3 only

D. 1 and 2 only

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option D

Explanation:
Statement 3 is false because median is preferred for skewed data. 1 and 2 are true.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Share Report

A preliminary test of a questionnaire on a small subset of the population before the main survey is called:

A. Pre-testing or Pilot Survey

B. Sampling

C. Census

D. Stratification

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option A

Explanation:
A pilot survey helps in identifying shortcomings in the questionnaire design before full-scale implementation.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Share Report

Life tables are primarily used to calculate:

A. Migration rates

B. Economic dependency ratios

C. Fertility rates

D. Life expectancy and survival probabilities

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option D

Explanation:
Life tables summarize age-specific mortality to compute life expectancy at various ages, probability of survival, and other demographic measures essential for actuarial and population studies.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs