Population density is defined as: MCQ with Answer and Explanation

Population density is defined as:
A. Number of households per square kilometer
B. Total population divided by total arable land
C. Number of persons per square kilometer
D. Total population divided by urban area
Answer: Option C
Solution (By JKSSB Mock Tests)
Population density is commonly expressed as the number of persons per unit area, usually per sq. km.

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Practice More Statistics Questions

Question #1
Which measure of central tendency can be used for both quantitative and qualitative (nominal) data?
A. Arithmetic mean
B. Mode
C. Median
D. Geometric mean

Correct Answer: Option B


Explanation:
The mode identifies the most frequent category and can be applied to nominal qualitative data (e.g., favorite color), whereas mean and median require at least ordinal or numerical data.

This question belongs to: Accountancy and Statistics Statistics
Question #2
The cost of living index number for 2022 with base 2015 is 150. This implies that a household which spent Rs. 10,000 per month in 2015 needs to spend ______ in 2022 to maintain the same standard of living.
A. Rs. 10,000
B. Rs. 12,500
C. Rs. 15,000
D. Rs. 11,500

Correct Answer: Option C


Explanation:
Cost of Living Index 150 means the cost has increased by 50%, so new cost = 10,000 × 1.5 = 15,000.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Which measure of mortality is LEAST affected by population age structure?
A. Life Expectancy at Birth
B. Crude Death Rate
C. Age-Specific Death Rate for 40-44 years
D. Infant Mortality Rate

Correct Answer: Option C


Explanation:
Age-specific death rates focus on a narrow age group, minimizing the influence of overall population age structure, unlike crude rates or life expectancy which aggregate across ages.

This question belongs to: Accountancy and Statistics Statistics