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. 2016 Mar 1;5:e12470. doi: 10.7554/eLife.12470
Groups F test statistic Partial η2 Effect size f A priori power Total sample size
Optical density of DU145 cells
transfected with siRNAs
F(6, 24) =14.26 0.7810 1.8884 82.73% 161

160 total samples (5 per group) will be used based on the planned comparisons making the power >99.99%.