A researcher wants to study students' academic performance in 10 different schools. Instead of sampling individual students, they randomly select entire schools to represent the population. Which sampling method is most appropriate?
Cluster Sampling
If a researcher uses a method where every 5th student from a list is chosen to participate, what factor should they be most cautious about? a) The size of the sample b) The randomness of the starting point
b
A company wants diverse opinions from employees across all departments. Which sampling method is ideal to ensure each department is equally represented?
Stratified Sampling
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