Social & Preventive Medicine In a malaria survey every 1st and 4th house was choosen for survey. The type of samplining – A Cluster samling B Systemic random sampling C Stratified random sampling D Multistage sampling 💡 Explanation In a malaria survey every 1st and 4th house was choosen for survey. The type of samplining - ✓ Correct Answer: B. Systemic random sampling