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WebConduct a one-tailed test if your 2-tailed test was not enough powered. If you do not have a strong evidence that the new design is better than the current one use two-sided test to … WebUse this advanced sample size calculator to calculate the sample size required for a one-sample statistic, or for differences between two proportions or means (two independent samples). More than two groups supported for binomial data. Calculate power given sample size, alpha, and the minimum detectable effect (MDE, minimum effect of interest). red rock imperial red ale
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