If Q = -1, attributes exhibit: MCQ with Answer and Explanation

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If Q = -1, attributes exhibit:

A. Independence

B. Perfect negative association

C. Perfect positive association

D. No relationship

Answer: Option B

Solution (By JKSSB Mock Tests)

Q = -1 when ad=0, i.e., complete negative association.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The weighted arithmetic mean formula is:

A. Σw / Σwx

B. Σwx / Σw

C. Σwx / n

D. Σx / Σw

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Correct Answer: Option B

Explanation:
Weighted mean = Σ(w_i × x_i) / Σ w_i.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Which of the following is an index number used to measure inflation in India?

A. Index of Industrial Production (IIP)

B. Sensex

C. Wholesale Price Index

D. Nifty

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Correct Answer: Option C

Explanation:
WPI (and CPI) measure inflation; Sensex and Nifty are stock indices; IIP measures industrial output.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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Which of the following should be avoided in a good questionnaire?

A. Clear wording

B. Short questions

C. Logical sequence

D. Double‑barreled questions

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Correct Answer: Option D

Explanation:
A double‑barreled question asks about two issues at once, creating confusion. It should be avoided.

This question belongs to: Accountancy and Statistics Statistics

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