Comparing Two Means Sample Size CalculatorLast updated on December 31, 2024 at 07:04:08 PM / Sample Size Calculators / 1 minute of reading HomeResearchSample Size CalculatorsComparing Two Means Sample Size Calculator Please enter the values: Confidence Interval (%) (Two-Sided): Power (%) (e.g., 80%): Ratio of Sample Size (Group 2 / Group 1): Group 1 Mean (e.g., 132.86): Group 1 Std. Dev. (e.g., 15.34): Group 2 Mean (e.g., 127.44): Group 2 Std. Dev. (e.g., 18.23): Variance Group 1: Variance Group 2: Sample Size for Group 1: Sample Size for Group 2: Total Sample Size: Calculate
