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Stats on a scientific paper..

angeldelight · 2005-03-14 21:46:39

Just wondering if anyone could help. I'm doing a critical appraisal on a scientific paper for college and one of the questions is : Give an example of the type of equation that could be used to calculate the sample size required. The exp had a power of 90% so I presume they mean what equation would they have used to work…

14-03-2005 9:46pm

#1

angeldelight

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Just wondering if anyone could help. I'm doing a critical appraisal on a scientific paper for college and one of the questions is : Give an example of the type of equation that could be used to calculate the sample size required.

The exp had a power of 90% so I presume they mean what equation would they have used to work out how many people needed to give them that?

Thanks

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#2 19-03-2005 11:47pm

Professor_Fink

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Is there any confidence level, standard deviation or variance given?

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