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11Alexandr11 [23.1K]
3 years ago
15

What is the sample size formula

Biology
1 answer:
Vika [28.1K]3 years ago
5 0
The Sample Size formula, also known as the Cochran Formula, allows for calculation of an ideal sample size. Below, I have inserted a picture of the formula, where it’s variables are as follows,
N=population size
E= margin of error
Z=z-score

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