Assertion (A): The arithmetic mean of a set of positive numbers is always greater than or equal to the geometric mean. Reason (R): AM ≥ GM for any set of non-negative numbers, and equality holds when all numbers are equal. Choose the correct option: MCQ with Answer and Explanation

Assertion (A): The arithmetic mean of a set of positive numbers is always greater than or equal to the geometric mean. Reason (R): AM ≥ GM for any set of non-negative numbers, and equality holds when all numbers are equal. Choose the correct option:
A. A is true, R is false
B. A is false, R is true
C. Both A and R are true, and R is the correct explanation of A
D. Both A and R are true, but R is not the correct explanation of A
Answer: Option C
Solution (By JKSSB Mock Tests)
AM-GM inequality is a fundamental property. R correctly states the condition and explains A.

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Practice More Statistics Questions

Question #1
Which of the following is a feature of a good statistical table?
A. Ambiguous footnotes
B. No source note
C. Self-explanatory with clear title and headings
D. Complex layout

Correct Answer: Option C


Explanation:
A good table should be simple and clear, with proper titles, stubs, and captions.

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Question #2
For inclusive class intervals like 10-19, 20-29, the true class boundaries are obtained by:
A. Subtracting 0.5 from both limits
B. Subtracting 0.5 from lower limit and adding 0.5 to upper limit
C. Adding 0.5 to both limits
D. Leaving them unchanged

Correct Answer: Option B


Explanation:
Inclusive series have gaps; adjusting by half the gap (0.5) gives continuous boundaries: 9.5-19.5, 19.5-29.5, etc.

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Question #3
Which of the following statements about the Census of India is correct?
A. It uses the de jure method of enumeration.
B. It does not collect literacy data.
C. It covers only the rural population.
D. It is conducted every 5 years.

Correct Answer: Option A


Explanation:
Indian census uses the de jure (usual residence) method. It is decennial, covers whole country, collects literacy.

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