AMU 2025 — Mathematics PYQAMU | Mathematics | 2025The sampling scheme in which only first unit is selected randomly is known as:Choose the correct answer:A. Simple random sampling (Correct Answer)B. Stratified random samplingC. Systematic random samplingD. Multiphase samplingCorrect Answer: Simple random samplingASimple random samplingBStratified random samplingCSystematic random samplingDMultiphase samplingShow Answer SExplanationNo text explanation available.