Which of the following is NOT a source of demographic data? MCQ with Answer and Explanation

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Which of the following is NOT a source of demographic data?

A. Civil registration system

B. Stock exchange reports

C. Census

D. Sample surveys like NFHS

Answer: Option B

Solution (By JKSSB Mock Tests)

Stock exchange reports provide financial data, not population statistics.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Classification of data by attributes such as religion or literacy is called:

A. Qualitative classification

B. Quantitative classification

C. Geographical classification

D. Chronological classification

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Correct Answer: Option A

Explanation:
Qualitative classification groups data based on non-numerical characteristics (attributes), enabling analysis of categorical variables like religion, literacy, or occupation.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In an examination, 60% candidates passed in English (A), 50% in Math (B), and 30% in both (AB). Are attributes A and B independent?

A. Yes, they are independent

B. No, they are positively associated

C. Data is inconsistent

D. No, they are negatively associated

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Correct Answer: Option A

Explanation:
P(A) * P(B) = 0.6 * 0.5 = 0.3. Since P(AB) = 0.3, they are perfectly independent.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If the mean of a data set is 50 and the coefficient of variation is 20%, the standard deviation is:

A. 0.4

B. 5

C. 10

D. 1000

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Correct Answer: Option C

Explanation:
CV = (SD/mean)×100 ⇒ 20 = (SD/50)×100 ⇒ SD = 10.

This question belongs to: Accountancy and Statistics Statistics

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