A frequency polygon is drawn by joining: MCQ with Answer and Explanation

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A frequency polygon is drawn by joining:

A. Class limits with frequencies

B. Cumulative frequencies

C. Class midpoints with frequencies

D. Class boundaries with frequencies

Answer: Option C

Solution (By JKSSB Mock Tests)

Points are plotted at class midpoints and connected by straight lines.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The base year of the current Consumer Price Index (CPI) in India is:

A. 2016

B. 2011-12

C. 2010

D. 2012

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Correct Answer: Option D

Explanation:
The new series of CPI (Rural, Urban, Combined) has base year 2012.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The value of a random variable that occurs with the highest frequency in a probability distribution is called the:

A. Median

B. Expected value

C. Variance

D. Mode

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Correct Answer: Option D

Explanation:
By definition, the mode represents the most probable or most frequent outcome.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Infant Mortality Rate is typically higher in populations with:

A. Universal healthcare access

B. Low fertility rates

C. Poor sanitation and limited healthcare

D. High maternal education and nutrition

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Correct Answer: Option C

Explanation:
IMR is strongly inversely correlated with socioeconomic development; inadequate sanitation, malnutrition, and poor healthcare access increase risks of infection and complications causing infant deaths.

This question belongs to: Accountancy and Statistics Statistics

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