When To Use Fisher’s Transformation in the USA

Fisher’s z’ is used to find confidence intervals for both r and differences between correlations. But it’s probably most commonly be used to test the significance of the difference between two correlation coefficients, r1 and r2 from independent samples. What is Fisher transformation used for? In statistics, the Fisher transformation (aka Fisher z-transformation) can be…

Can Fishes Drown In Water

Most fish breathe when water moves across their gills. But if the gills are damaged or water cannot move across them, the fish can suffocate. They don’t technically drown, because they don’t inhale the water, but they do die from a lack of oxygen. Can fish drown in too much water? Fish need oxygen to…