What is the difference between random sampling and systematic sampling?
Random sampling involves selecting individuals from a population entirely by chance, while systematic sampling selects individuals at regular intervals from a randomly ordered list.
Can you give me an example of each method?
Sure! In random sampling, you might use a random number generator to select participants. In systematic sampling, you could select every 10th person from a list of registered voters.
Which method is more reliable?
It depends on the context. Random sampling is generally more reliable for avoiding bias, while systematic sampling can be more efficient and easier to implement.
Are there any drawbacks to either method?
Yes, random sampling can be time-consuming and costly, while systematic sampling can introduce bias if there's a hidden pattern in the population.
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