How do I conduct stratified sampling for my research?
To conduct stratified sampling, first identify the population and divide it into distinct subgroups or strata.
What criteria should I use to create these strata?
Strata can be based on characteristics like age, income, education level, or any relevant factor that affects your study.
How do I ensure my sample is representative?
You should sample proportionally from each stratum based on their size in the population to maintain representation.
Can you give me an example of stratified sampling?
Sure! If you're studying student performance, you might stratify by grade level and then sample students from each grade.
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