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

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

A. N

B. (A)

C. (B)

D. (β)

Answer: Option B

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.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

General Fertility Rate (GFR) uses denominator as:

A. Women aged 15-49

B. Total male population

C. Married women only

D. Total population

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Correct Answer: Option A

Explanation:
GFR relates births to the female population of reproductive age.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The geometric mean of 4, 9, and 16 is:

A. 10

B. 12

C. 9

D. 8

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Correct Answer: Option D

Explanation:
Geometric mean = (4 × 9 × 16)^(1/3) = (576)^(1/3) = 8. It is the nth root of the product of n observations, useful for averaging ratios or growth rates.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The formula for weighted arithmetic mean is:

A. Σwx / n

B. Σwx / Σw

C. Σw / Σx

D. Σx / Σw

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Correct Answer: Option B

Explanation:
Weighted mean = Σ(w_i x_i) / Σ w_i.

This question belongs to: Accountancy and Statistics Statistics

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