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This calculator performs a two sample t-test based on user provided input.
This calculator uses a two-sample t test, which compares two datasets to see if their means are statistically different. That is different from a one sample t test, which compares the mean of your sample to some proposed theoretical value.
The two sample t test calculator provides the p-value, effect size, test power, outliers, distribution chart, and a histogram.
Two-sample t-test. Choose the two-sample t-test to check if the difference between the means of two populations is equal to some pre-determined value when the two samples have been chosen independently of each other. In particular, you can use this test to check whether the two groups are different from one another. Examples:
T-Test Calculator for 2 Independent Means. This simple t-test calculator, provides full details of the t-test calculation, including sample mean, sum of squares and standard deviation.
The calculator to perform t-Test for the Significance of the Difference between the Means of Two Independent Samples
Two sample and one sample t-test calculator with step by step explanation.
Welcome to our Two Sample T Test Calculator, the ideal tool for comparing mean values from two independent samples. This calculator calculates test statistics, p-values, critical values, judgments, and conclusions using both equal and unequal variance approaches.
You can use this calculator to estimate: The sample size a planned study will need to detect an effect size at a given power level; The statistical power a planned study will have based on the expected sample and effect sizes 1; The smallest effect size a planned study can detect for a given power level and sample size
The calculator to perform t-Test for the Significance of the Difference between the Means of Two Independent Samples.