In the hypothesis testing approach of Jerzy Neyman and Egon Pearson, a null hypothesis is contrasted with an alternative hypothesis, and the two hypotheses are distinguished on the basis of data, with certain error rates. Proponents of each approach criticize the other approach.
In geography, relief refers to the highest and lowest elevation points in an area. Mountains and ridges are typically the highest elevation points, while valleys and other low-lying areas are the lowest. Relief is essential to understanding the topography of an area.
The mountainâs cool heights offer respite from the hot plains below, with the higher altitudes providing a refuge for flora and fauna. Mount Elgon National Park is home to over 300 species of birds, including the endangered Lammergeyer.