Types of Random Sampling
Give the appropriate type of random sampling for each item. Justify your answers.
A researcher from SWS survey picked the cities of Las Piñas, Pateros, Pasig, and San Juan, out of 17 cities of NCR, to be part of a nationwide survey. The whole populace of the said cities will be interviewed to determine the government response satisfaction rate for the COVID-19 crisis.
A survey is being conducted to determine if the students are satisfied with the food that is being served in their school canteen. School administrators picked 20% of the respondents from Grade 7, 30% from Grade 8, 35% from Grade 9, and 15% from Grade 10.
A researcher chose the subjects of their study by selecting every 11th member of the population.