Which sampling method divides the population into subgroups before sampling?
Show answer and explanation
Correct answer: Stratified sampling
Stratified sampling involves dividing the population into strata and sampling from each group. This ensures representation of all subgroups.
Keep practicing
More Basics of Biostatistics questions
- Probability is defined as:
- The probability of an impossible event is:
- Which probability distribution is commonly used for biological measurements?
- In a normal distribution, most observations are clustered around the:
- Which term describes the number of times an event occurs in a data set?
- A variable that can take only whole number values is called: