For two attributes, if (AB) is less than the expected frequency under independence, there is: MCQ with Answer and Explanation

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For two attributes, if (AB) is less than the expected frequency under independence, there is:

A. Positive association

B. Perfect association

C. No association

D. Negative association

Answer: Option D

Solution (By JKExamLibrary)

Observed less than expected indicates negative association.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

The weighted mean of 4, 6, 8 with weights 1, 2, 3 respectively is:

A. 8

B. 6

C. 7

D. 6.67

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Correct Answer: Option D

Explanation:
Weighted sum = 4×1+6×2+8×3 = 4+12+24=40. Sum of weights=6. Mean=40/6≈6.67.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Which of the following is true for an ideal index number?

A. It should use only base period weights.

B. It must satisfy time reversal and factor reversal tests.

C. It must be a simple average of relatives.

D. It should be easy to calculate.

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Correct Answer: Option B

Explanation:
Fisher's ideal index satisfies both tests; these are desirable properties.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If the NRR = 1, the population is:

A. Growing

B. Declining

C. Exactly replacing itself

D. Undefined

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Correct Answer: Option C

Explanation:
NRR=1 implies replacement level.

This question belongs to: Accountancy and Statistics Statistics

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