In a 2×2 contingency table for attributes, if (AB)=30, (Aβ)=20, (αB)=10, (αβ)=40, N is: MCQ with Answer and Explanation

In a 2×2 contingency table for attributes, if (AB)=30, (Aβ)=20, (αB)=10, (αβ)=40, N is:

A. 80

B. 100

C. 110

D. 90

Answer: Option B

N = 30+20+10+40 = 100.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Compute Fisher's ideal index from: Σp₀q₀=200, Σp₀q₁=250, Σp₁q₀=300, Σp₁q₁=360.

A. 145.5

B. 146.97

C. 146.0

D. 147.0

Correct Answer: Option B

Explanation:
Laspeyres = 300/200×100=150. Paasche = 360/250×100=144. Fisher = √(150×144) = √21600 ≈ 146.97.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

When designing a questionnaire, multiple-choice questions are preferred over open-ended questions primarily because:

A. They eliminate all forms of bias

B. They take up less space

C. They are easier to tabulate and analyze objectively

D. They allow respondents to express complex feelings

Correct Answer: Option C

Explanation:
MCQs standardise responses, making data compilation, coding, and statistical tabulation much faster and uniform.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

The NRR can be interpreted as the average number of:

A. Daughters per woman who survive to reproductive age

B. Children per woman

C. Sons per woman

D. Live births per 1000 women

Correct Answer: Option A

Explanation:
NRR accounts for both fertility and mortality of women.

This question belongs to: Accountancy and Statistics Statistics