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.
Share to: One of the ways that the Himalayan Mountains help India is that for centuries they have acted as a effective natural barrier against any invading armies for Asia.The Himalaya â¦ ns are extremely difficult to cross, even in the summer when the snow has melted.hare to: One of the ways that the Himalayan Mountains help India is that for centuries they have acted as a effective natural barrier against any invading armies for Asia.