A mode can be located graphically with the help of a: MCQ with Answer and Explanation

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A mode can be located graphically with the help of a:

A. Histogram

B. Frequency Curve

C. Ogive

D. Bar chart

Answer: Option A

Solution (By JKSSB Mock Tests)

By drawing a histogram, the mode is found by joining the top corners of the highest rectangle to the adjacent rectangles.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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According to the Indian census, a person aged 7 years and above who can read and write with understanding in any language is considered:

A. Semi-literate

B. Educated

C. Illiterate

D. Literate

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Correct Answer: Option D

Explanation:
Census definition of literacy is ability to read and write with understanding in any language for persons aged 7+.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Infant Mortality Rate (IMR) of 30 per 1,000 live births means:

A. 30 out of every 1,000 newborns die before their first birthday

B. 3% of infants die before age 1

C. Life expectancy is 30 years

D. 30 mothers die per 1,000 births

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Correct Answer: Option A

Explanation:
IMR = (Infant deaths / Live births) × 1,000. An IMR of 30 indicates 30 infant deaths per 1,000 live births, a key indicator of child health and healthcare system performance.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Assertion (A): In any probability distribution, P(A) + P(A') = 1. Reason (R): A and A' are mutually exclusive and exhaustive events. Choose the correct option:

A. A is false, R is true

B. Both A and R are true, and R is the correct explanation of A

C. Both A and R are true, but R is not the correct explanation of A

D. A is true, R is false

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Correct Answer: Option B

Explanation:
Complementary events partition the sample space, so their probabilities sum to 1. R correctly explains A.

This question belongs to: Accountancy and Statistics Statistics

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