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Summary

The unpaired t-test is a statistical test that can be used to determine whether there is a difference between two unrelated groups. According to GraphPad
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and DATAtab
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, the unpaired t-test is used to compare the mean value of two independent samples. The calculator provided by GraphPad
1
allows users to enter data for the test, choose a test from the three options, and view the results. It also provides information on the assumptions behind each t test and how to interpret results.

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Summaries from the best pages on the web

Summary
The unpaired t-test (or independent t-test) is a statistical test that determines whether there is a difference between two unrelated groups.
The unpaired t-test is used to make a statement about the population based on two independent samples. To make this statement, the mean value of the two samples is compared.

Unpaired t-Test • Simply explained - DATAtab
datatab.net

A t-test is any statistical hypothesis test in which the test statistic follows a Student's t-distribution under the null hypothesis. It is most commonly applied when the test statistic would follow a normal distribution if the value of a scaling term in the test statistic were known (typically, the scaling term is unknown and therefore a nuisance parameter). When the scaling term is estimated based on the data, the test statistic—under certain conditions—follows a Student's t distribution. The t-test's most common application is to test whether the means of two populations are different.

Student's t-test - Wikipedia
wikipedia.org

A simple t-test calculator for 2 independent means, with full calculation details. This simple t -test calculator, provides full details of the t-test ...

T-Test Calculator for 2 Independent Means
socscistatistics.com

A paired t - test is used to investigate the change in the mean of a population before and after some experimental intervention, based on a paired sample, i.e., when each subject…

t-test Calculator | Formula | p-value
omnicalculator.com

A t - test is any statistical hypothesis test in which the test statistic follows a Student's t -distribution under the null hypothesis. It is most commonly applied when the test statistic would…

Student's t-test - Wikipedia
wikipedia.org

A t - test may be used to evaluate whether a single group differs from a known value (a one-sample t - test ), whether two groups differ from each other (an independent two-sample t - test ),…

The t-Test | Introduction to Statistics | JMP
jmp.com