With Prism 5. You can see divided A, B, C, and D, the descriptive statistics that we requested. Explore the Applications. Interpreting the P value The null hypothesis for each of the tests that Prism performs is that the survival curves for each group are identical in the overall populations from which subjects in each group were sampled. The results will be similar to performing independent t tests for each comparison, except the Fishers LSD test uses all the data to compute a pooled standard deviation rather than using the variation only in the two groups being compared.
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