Purchasing power of money is computed as: MCQ with Answer and Explanation

Explanation:
Life tables combine age-specific mortality rates to compute life expectancy.

Explanation:
Maternal deaths are uncommon; using 100,000 as the base yields manageable numbers (e.g., 100-500) instead of tiny decimals, facilitating interpretation and cross-country comparison.

Explanation:
An ogive plots cumulative frequencies against class boundaries, providing a visual representation of cumulative distribution and enabling estimation of medians and percentiles.