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

Question Report Error

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

A. Square meter

B. Thousand total population

C. Cubic kilometer

D. Square kilometer

Answer: Option D

Solution (By JKExamLibrary)

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 Report Error

If (AB)=0, then the association between A and B indicates:

A. Complete disassociation (perfect negative)

B. No conclusion

C. Complete independence

D. Positive association

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Correct Answer: Option A

Explanation:
(AB)=0 means the two attributes never occur together, indicating complete negative association (disassociation).

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

In the theory of attributes, the total number of objects N is equal to:

A. (A)+(α)

B. (AB)+(Aβ)+(αB)+(αβ)

C. (A)+(B)-(AB)

D. Both A and B

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Correct Answer: Option D

Explanation:
Both identities hold; (A)+(α)=N, and the sum of ultimate class frequencies also equals N.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In a well-designed questionnaire, questions on income should be:

A. Randomly placed

B. Towards the end, as they are sensitive

C. In the middle, with no introduction

D. At the beginning to motivate

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Correct Answer: Option B

Explanation:
Sensitive questions are placed later to build trust and reduce dropout.

This question belongs to: Accountancy and Statistics Statistics

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