On Biostatistics and Clinical Trials
CQ's web blog on the issues in biostatistics and clinical trials.
Showing posts with label
Statistical tips
.
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Showing posts with label
Statistical tips
.
Show all posts
Tuesday, April 11, 2023
Obtaining standard deviations from standard errors and confidence intervals for group means
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Sometimes, we need to obtain a standard deviation (SD) in order to calculate the sample size for a new clinical trial where the primary effi...
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