What is the difference between population and sample size?
An example of an AI chatbot conversation about population vs sample size in statistics.
What is the difference between population and sample size?
In statistics, a population includes all members of a defined group, while a sample is a subset of that population.
Why is it important to understand the difference?
Understanding the difference helps in making accurate inferences about the population based on sample data.
How do I determine the right sample size for my study?
The right sample size depends on factors like the population size, margin of error, and confidence level you desire.
Can you give me an example of calculating sample size?
Sure! If you want a 95% confidence level with a 5% margin of error, you can use the formula: n = (Z^2 * p * (1-p)) / E^2.
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