Population density is typically measured as the number of persons per: MCQ with Answer and Explanation

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Population density is typically measured as the number of persons per:

A. Square meter

B. Square kilometer

C. Thousand total population

D. Cubic kilometer

Answer: Option B

Solution (By JKSSB Mock Tests)

Population density evaluates spatial distribution, usually expressed as persons per square kilometer (or square mile).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

For two attributes A and B, independence (no association) implies:

A. (AB) = (A) + (B)

B. (AB)/N = (A)/N × (B)/N

C. (AB) = (A)(B)/N²

D. (AB) = 0

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Correct Answer: Option B

Explanation:
Independence means the proportion of items with both attributes equals the product of the individual proportions.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which of the following statements about attributes is false?

A. Yule's Q ranges from -1 to +1.

B. Consistency requires all ultimate frequencies to be positive.

C. Ultimate class frequencies are mutually exclusive and exhaustive.

D. The number of ultimate classes for n attributes is 2^n.

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Correct Answer: Option B

Explanation:
Consistency requires non-negative (≥0), not strictly positive. Some can be zero.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The main disadvantage of direct observation method is:

A. Low accuracy

B. High cost

C. High non-response

D. Limited to observable behavior, cannot capture attitudes

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Correct Answer: Option D

Explanation:
Observation only records external actions; it cannot reveal opinions, motives, or internal states.

This question belongs to: Accountancy and Statistics Statistics

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