[NATS 1840] - Final Exam Guide - Ultimate 38 pages long Study Guide!

• School: York University
• Department: Natural Science
• Course: NATS 1840
• Professor: Carl Wolfe

Document Summary

Environmental science and thinking: environment everything that surrounds you, from just outside your skin to the edge of the universe. Pragmatically, all those parts of the physical world that help sustain life on their planet. If part of that environment is placed under stress, then its ability to sustain life may be threatened. Environmental science the study of how the environment works, and of humanity"s impact upon it: science the systematic study of how and why nature works the way it does. Relies of empirical methods (experimental methods) to test possible explanations of observations. Often represented by an error bar: uncertainty range within which true" value most likely lies. 2: uncertainty decreased as number of measurements (size of sample of a population) Tuesday, september 20, 2016 increases: standard deviation is often used for measurements. Statistical significance: suppose we test hypothesis h, if h is true, some outcomes is expected, if h is false, default outcome is expected (null hypothesis).