This is the process of selecting a sample from the population.
Sampling
This refers to the entire group under study or investigation.
Population
It is a subset of the population used to represent the whole group.
Sample
All fishermen in Sorsogon Bay are considered part of this if you want to study their fishing methods. Was it population or sample?
Population
A classmate volunteers to answer a survey question. This is an example of what type of sampling?
Non-Probability
Identify the type of sampling:
A survey of households about water use randomly selects 3 barangays in Malilipot, then surveys all households in those barangays.
Cluster Sampling
Identify the type of sampling:
A researcher writes the names of all residents in a barangay on slips of paper, puts them in a box, and draws 10 names at random to survey about waste segregation.
Lottery/ Simple Random Sampling
Identify the type of sampling:
Households in Albay are grouped by income level, then a few households are randomly selected from each group to study electricity consumption.
Stratified Random Sampling
Identify the type of sampling:
To survey 50 coconut farmers in Sorsogon, a researcher first randomly selects 2 municipalities, then randomly selects 10 farmers from each municipality.
Multi-stage
Identify the type of sampling:
Every 7th tricycle driver in a numbered list of drivers in Legazpi City is selected to answer questions about daily earnings.
Systematic