STAT151 Lecture 1: Stats Chapter 1 Lecture Notes

• School: University of Alberta
• Department: Statistics
• Course: STAT151
• Professor: Alireza Simchi

Document Summary

Explain the three main aspects of statistics: design, descriptive statistics, statistical inference. Explain the difference between population and sample. Explain the difference between parameter and statistic. Explain the different types of data we may encounter. Business: using trends to estimate sales. Medicine: evaluate which methods of treatment have better success. Political science: knowing what issues are of importance to the voting population. Agriculture: which soil, seeds, and fertilizers provide the best growth for crops. Education: using standardized tests to evaluate the success of an education system in a particular region. Psychology: translate data into knowledge about human mind. Physics/chem/bio: translate data into knowledge about the world around us. Data: the information we gather, data must represent the population. Statistics: the science of how to collect, summarize, analyze, and present data to make decisions, using data to get knowledge about the world around us, be sure to know from where information or data are obtained.