Problem #1. The data correspond to yields (in tons per hectare) of a pasture with 3 levels of nitrogen fertilizers, the design was randomized, applied in 5 plots per treatment (blocks). You want to know if the performance was different in the treatments. Check the hypothesis with = 0.01%     Nitrogen Levels   1 2 3   Plot 1 14.823 25.151 32.605   Plot […]

Prompt: Drawing upon one of the problems identified in your problem catalog, find a recent article that promotes a linear, non-system approach to resolving the problem. Then, write a letter to the editor of that article’s publication pointing out the limitations of the linear approach and supplying instead a systems perspective to the problem. The guidelines for most publications require that letters to the editor […]