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The ratio t test compares the means of two matched groups, assuming that the distribution of the raw data follow a lognormal distribution.

https://www.graphpad.com/guides/prism/latest/statistics/

t tests, Mann-Whitney and Wilcoxon matched pairs test. Running a t test (or related nonparametric test); Unpaired t test and Lognormal t test; Paired or ratio t ...

https://www.graphpad.com/guides/prism/latest/statistics/

Prism 8 introduces nested t-tests, to deal with data that have both actual replicates and technical replicates. "Nested t-test" is not standard jargon.

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From the simulated data table, click Analyze and choose t test from the list of Column analyses. Accept all the default choices to perform an unpaired t test, ...

https://www.graphpad.com/guides/prism/latest/statistics/

A one sample t test compares the mean with a hypothetical value. In most cases, the hypothetical value comes from theory.

https://www.graphpad.com/quickcalcs/onesamplet1/

The unequal-variance t test computes the number of df using a complicated equation that can end up with a fractional df. Prism 5 rounds this value down to the ...

GraphPad FAQs

T tests, and related nonparametric tests compare two sets of measurements (data expressed using an interval or ratio scale). If you have three or more ...

https://www.graphpad.com/guides/prism/latest/statistics/

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https://www.graphpad.com/guides/prism/latest/statistics/

A t test, typically done to compare observations made in two groups subjected to different experimental treatments, is probably the most common statistical ...

GraphPad FAQs

(But of course t tests and ANOVA cannot be done with n=1.) Why display mean and SD or SEM rather than the raw data? When you have fewer than say 100 values, ...

GraphPad FAQs