Back Calculating Sample Size [Power / Sample Size]

posted by dshah  – India/United Kingdom, 2022-05-13 13:54 (792 d 04:32 ago) – Posting: # 22985
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Hi All!

Even I am getting around CV = 156% (pooled variance estimate) considering N=140 (N=70/group).
Only when N=70 is considered, I am getting CV~92%.

Dear Sereng! From the details of Cmax (Ref): 478 +/- 434 (mean +/- SD) and Cmax (Test): 489 +/- 909 (mean +/- SD), it can be seen that reference Cmax is less variable than test one which is opposite to what is stated in original post. Or is it typo?

Regards,
Divyen

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