The maternal mortality ratio in India declined from 130 (2014-16) to 113 (2016-18) per 100,000 live births. This represents a decline of about: MCQ with Answer and Explanation

Explanation:
Consistency requires that all derived class frequencies (including ultimate classes) are non-negative, as negative counts are logically impossible in real-world data.

Explanation:
A good table should be simple and clear, with proper titles, stubs, and captions.

Explanation:
Laspeyres does not satisfy time reversal test; P₀₁(L) × P₁₀(L) ≠ 1.