An index number measures: MCQ with Answer and Explanation

Question

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An index number measures:

A. Absolute change

B. Average only

C. Relative change over time or space

D. Total value

Answer: Option C

Solution (By JKSSB Mock Tests)

Index numbers measure relative changes in a variable compared to a base period.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The arithmetic mean of first n natural numbers is:

A. n/2

B. (n+1)/2

C. n(n+1)/2

D. 2n+1

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Correct Answer: Option B

Explanation:
Sum = n(n+1)/2, mean = (n+1)/2.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Infant mortality rate is high in regions with:

A. Low fertility

B. Poor sanitation and malnutrition

C. High literacy

D. Good healthcare

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Correct Answer: Option B

Explanation:
Poor health infrastructure and nutrition lead to higher infant deaths.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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In questionnaire design, a 'double-barreled question' is problematic because it:

A. Uses technical jargon

B. Is too long for respondents to read

C. Asks about two different issues in one question, confusing respondents

D. Requires numerical answers

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Correct Answer: Option C

Explanation:
Double-barreled questions (e.g., 'Do you find the product affordable and high-quality?') conflate two attributes, making responses ambiguous and uninterpretable for either dimension.

This question belongs to: Accountancy and Statistics Statistics

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