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Performs unpaired t test, Weldh's t test (doesn't assume equal variances) and paired t test. Calculates exact P value and 95% confidence interval. Clear results with links to extensive explanations.
- T Test Calculator
A t test compares the means of two groups. There are several...
- T Test Calculator
Two sample and one sample t-test calculator with step by step explanation.
This t-test calculator allows you to use either the p-value approach or the critical regions approach to hypothesis testing! Enter your T-score and the number of degrees of freedom.
t-Test Calculator. To calculate a t-Test online just select one metric Variable and one nominal Variable with two values. Here you can easily calculate a t-test online, just copy your data into the upper table and select one or two variables.
Formula. The t-score for Welch's T-Test is calculated as: t = X ¯ 1 − X ¯ 2 s 1 2 n 1 + s 2 2 n 2. where: X ¯ 1 and X ¯ 2 are the means of the two groups, s 1 and s 2 are the standard deviations of the two groups, n 1 and n 2 are the sample sizes of the two groups.
Online Statistics Calculator. On Statisty you can statistically analyse your data online. Simply copy your own data into the table above and select the variables you want to analyse. Statisty thus is a free statistical software that makes your calculations directly online.
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On datatab.net, data can be statistically evaluated directly online and very easily (e.g. t-test, regression, correlation etc.). DATAtab's goal is to make the world of statistical data analysis as simple as possible, no installation and easy to use.
