GraphPad Statistics Guide

Another example of a nested t test

Another example of a nested t test

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Another example of a nested t test

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Example data

This example analyzes the data shown earlier with replicate  rats, each with multiple measurements (technical replicates).

 

Results of nested t test

The 95% confidence interval for the difference between control and treated means range sfrom -2.3 to 15.9. The P value testing the null hypothesis of no difference between the two populations is 0.11. These data do not provide convincing evidence of a treatment effect.

The P value testing the null hypothesis that all the subcolumns (within each column) are identical is 0.0024. That provides evidence that the rats vary from one another.