If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely: MCQ with Answer and Explanation

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If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely:

A. Positively skewed

B. Normal

C. Symmetric

D. Negatively skewed

Answer: Option D

Solution (By JKSSB Mock Tests)

Mean < Median suggests negative skewness (left-skewed).

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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

A. Requires numerical answers

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

C. Is too long for respondents to read

D. Uses technical jargon

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Correct Answer: Option B

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

Question #2

The primary measure of inflation used by RBI for monetary policy is:

A. GDP deflator

B. Wholesale Price Index

C. CPI (Combined)

D. Consumer food price index

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Correct Answer: Option C

Explanation:
RBI adopted the CPI (Combined) as the key measure of inflation for policy targets.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The theory of attributes deals with data that is:

A. Spatially distributed

B. Qualitative and categorical

C. Time-series based

D. Quantitative and continuous

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Correct Answer: Option B

Explanation:
Theory of attributes focuses on qualitative characteristics (attributes) that classify units into categories, such as literacy (literate/illiterate) or gender (male/female), rather than numerical measurements.

This question belongs to: Accountancy and Statistics Statistics

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