comparision

Dear statistics community, My supervisor asked me to compare values of Pohar Perme estimator of net survival in two regions of the country using Z-test. Am I right that we cannot use Z-test for comparing these estimator values? Pohar Perme estimator of net survival is defined in the paper...

Hi, I'm relatively inexperienced with statistical tests and I'm trying to figure out which test to use for the following: I am comparing three sets of data (local, regional and national populations of a specific species) to see whether there is a significant difference in trends between the...