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How to determine a sample size for comparison purposes ?

C

cyfuzhi

#1
All,
We have a system thats generated data back in 2006 on a daily basis. We want to compare some electronic data files (some results and metadata) to the printouts. Instead of comparing every single data file (~7000 records) we want to take a random set of data from 2006 til now.

Is it possible to determine this sample size with Minitab?

Thanks much,
-Zhi
 
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#3
It would depend on what type of test you want to perform. Minitab can determine sample sizes for several different tests under Stats > Power and Sample Size. I have attached a screen shot of the menu options.
 

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