If Q = 1, the association between attributes is: MCQ with Answer and Explanation

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If Q = 1, the association between attributes is:

A. Independent

B. Perfect negative

C. Perfect positive

D. Zero association

Answer: Option C

Solution (By JKSSB Mock Tests)

Q = 1 means ad = bc? Actually Q=1 when bc=0, i.e., perfect positive association.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

A major disadvantage of secondary data is:

A. Originality

B. Time consuming

C. May not suit the present research objective

D. High cost

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Correct Answer: Option C

Explanation:
Secondary data was collected for a different purpose; definitions and coverage may differ.

This question belongs to: Accountancy and Statistics Statistics

Question #2

A student's marks in three subjects with weights 3, 2, 1 are 80, 90, 70 respectively. The weighted mean is:

A. 80

B. 81.67

C. 82

D. 85

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Correct Answer: Option B

Explanation:
Weighted sum = 3×80 + 2×90 + 1×70 = 490. Sum of weights = 6. Mean = 490/6 = 81.67.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The sum of deviations from the mean is always zero because:

A. All deviations are equal

B. Mean is the midpoint

C. Data are symmetric

D. Positive and negative deviations cancel out

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Correct Answer: Option D

Explanation:
Σ (x - x̄) = 0 is an algebraic property.

This question belongs to: Accountancy and Statistics Statistics

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