Data on attributes is said to be inconsistent if: MCQ with Answer and Explanation

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Data on attributes is said to be inconsistent if:

A. The sum of positive frequencies equals N

B. Any class frequency is greater than N

C. Both A and B

D. Any class frequency is negative

Answer: Option C

Solution (By JKExamLibrary)

Frequencies represent counts, so they cannot be negative, nor can any subset exceed the total population (N).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

The weighted harmonic mean of values 2 and 3 with weights 3 and 2 respectively is:

A. 2.8

B. 2.31

C. 2.5

D. 2.4

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Correct Answer: Option B

Explanation:
Weighted HM = (Σw) / Σ(w/x) = 5 / (3/2 + 2/3) = 5 / (1.5 + 0.6667) = 5/2.1667 ≈ 2.3077.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Time reversal test in index numbers implies that if the base and current periods are interchanged, the resulting index should be the ______ of the original.

A. Square

B. Half

C. Reciprocal

D. Double

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Correct Answer: Option C

Explanation:
P₀₁ × P₁₀ = 1, i.e., they are reciprocals.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

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

A. All deviations are equal

B. Mean is the midpoint

C. Positive and negative deviations cancel out

D. Data are symmetric

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Correct Answer: Option C

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

This question belongs to: Accountancy and Statistics Statistics

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