Which of the following is a source of secondary data? MCQ with Answer and Explanation

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Which of the following is a source of secondary data?

A. Personal diary of the investigator

B. Direct observation of traffic

C. Unpublished thesis records

D. Data collected through experiment

Answer: Option C

Solution (By JKSSB Mock Tests)

An unpublished thesis is a document containing data originally collected by someone else, making it secondary data for another researcher.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

Which of the following statements about the circular test is correct?

A. It is also known as the time reversal test.

B. Fisher's ideal index satisfies it.

C. It requires that P₀₁ × P₁₀ = 1.

D. The circular test is satisfied if P₀₁ × P₁₂ × P₂₀ = 1.

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Correct Answer: Option D

Explanation:
Circular test checks consistency over multiple periods: the product of indices from 0 to 1, 1 to 2, and 2 back to 0 should equal 1. Time reversal is P₀₁×P₁₀=1.

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Question #2

For perfect positive association between attributes A and B, we expect:

A. (AB) = 0

B. (αB) = 0

C. (Aβ) = 0

D. Both (Aβ) and (αB) = 0

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Correct Answer: Option D

Explanation:
Perfect positive association means all A's are B's and all B's are A's, so no A without B and no B without A.

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Question #3

Which graphical representation uses cumulative frequencies?

A. Histogram

B. Bar diagram

C. Frequency polygon

D. Ogive

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Correct Answer: Option D

Explanation:
An ogive plots cumulative frequencies against class boundaries.

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