If Net Reproduction Rate (NRR) is less than 1, the population will eventually: MCQ with Answer and Explanation

Explanation:
Continuous variables (e.g., height, income) require quantitative classification using exclusive class intervals to avoid overlap and ensure each observation falls into exactly one class.

Explanation:
SDR applies age-specific death rates of a population to a standard age distribution, eliminating the confounding effect of age structure to enable fair mortality comparisons across regions or time.

Explanation:
Pre‑testing (pilot study) helps identify ambiguous or difficult questions before the main survey.