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样本最小尺寸如何计算
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样本最小尺寸如何计算# Biology - 生物学
c*6
1
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G*G
2
autism kids vs healthy kids
to see what kind of differences between them.
how many autism kids is enough?
how to calculate the sample size?
thank you.
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z*n
3
you need to know the variance of this kind of samples in previous research
to get a good estimation.
You may need to check literature.
Here is a website:
try it.
http://homepage.stat.uiowa.edu/~rlenth/Power/
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