What is the minimum sample size needed for my study?
The minimum sample size depends on several factors, including the desired confidence level, margin of error, and population size. Can you provide more details about your study?
I'm conducting a survey on customer satisfaction with a 95% confidence level and a 5% margin of error.
For a 95% confidence level and a 5% margin of error, a common formula is used. If you assume a population size of 1000, you would need at least 278 respondents.
What if my population size is much larger, like 10,000?
If your population size is 10,000, the minimum sample size would still be around 370 respondents for the same confidence level and margin of error.
Can I use an online calculator for this?
Yes, there are many online sample size calculators that can help you determine the minimum sample size based on your specific parameters.
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