Which of the following is primary data? MCQ with Answer and Explanation

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Which of the following is primary data?

A. Data taken from a published report

B. Data downloaded from a government website

C. Data from a newspaper

D. Data collected by an investigator through direct interview

Answer: Option D

Solution (By JKSSB Mock Tests)

Primary data is originally collected firsthand for the specific research purpose. Direct interview is a primary method.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The term 'urban agglomeration' in census refers to:

A. A planned satellite town

B. A metropolitan city only

C. A city with more than 100,000 population

D. An integrated urban area comprising a city and its outgrowths

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Correct Answer: Option D

Explanation:
Urban agglomeration includes a core town and contiguous urban outgrowths, like suburbs.

This question belongs to: Accountancy and Statistics Statistics

Question #2

For a dataset with an outlier, the median is preferred over the mean because the median is:

A. Easier to calculate

B. Less sensitive to extreme values

C. Always an integer

D. Based on all observations

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Correct Answer: Option B

Explanation:
The median depends only on the middle observation(s) in ordered data, making it robust to outliers that can disproportionately influence the mean's value.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Life expectancy at birth is best interpreted as:

A. The age by which 50% of the population has died

B. The median age at death in a given year

C. The maximum age reached by any individual in the population

D. The average number of years a newborn is expected to live if current mortality patterns persist

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Correct Answer: Option D

Explanation:
Life expectancy is a period measure derived from a life table, representing the mean survival time for a hypothetical cohort experiencing current age-specific death rates throughout life.

This question belongs to: Accountancy and Statistics Statistics

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