When constructing a frequency polygon, the frequencies are plotted against: MCQ with Answer and Explanation

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When constructing a frequency polygon, the frequencies are plotted against:

A. Upper class limits

B. Class marks (midpoints)

C. Lower class limits

D. Cumulative frequencies

Answer: Option B

Solution (By JKSSB Mock Tests)

A frequency polygon connects the points formed by the class frequencies plotted at the exact midpoints of the class intervals.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Total Fertility Rate (TFR) is a period measure that assumes:

A. Mortality rates remain constant

B. All women marry at the same age

C. Women will experience current age-specific fertility rates throughout their lives

D. Migration is zero

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Correct Answer: Option C

Explanation:
TFR sums current ASFRs to estimate completed fertility for a hypothetical cohort, assuming no future changes in age-specific fertility behavior, making it a snapshot of current fertility intensity.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Consumer Price Index measures changes in:

A. Retail prices of a fixed basket of goods and services

B. Wholesale prices

C. Stock prices

D. Industrial production

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Correct Answer: Option A

Explanation:
CPI tracks retail prices of goods and services consumed by households.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which of the following is a measure of the speed of population growth?

A. Crude birth rate

B. Population doubling time

C. Population density

D. Sex ratio

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Correct Answer: Option B

Explanation:
Doubling time indicates how long it takes for a population to double at current growth rate.

This question belongs to: Accountancy and Statistics Statistics

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