I took ResEcon statistics in the Fall semester of my Sophomore year. Unfortunately, I do not remember a lot about statistics. I remember some units that the class went through, but I do not recall specific details. I remember talking about the difference between independent and dependent variables. The independent variable in an experiment does not depend on another variable, whereas the dependent variable varies according to the independent variable. We also learned about different methods of sampling. These include stratified random, simple random, cluster, and systemic sampling. Sampling techniques vary depending on the type of experiment that is performed; some sampling techniques are efficient for certain experiments depending on the size or range of the variables being tested. We also focused on graphs and statistical analysis. The ability to interpret statistical graphs is very important in biology as most of the results are displayed in graphs, scatter plots, and tables. This includes understanding how to find and interpret residuals, correlation, and linear regression. I do not remember specific detail about these concepts. We learned about how to use p value and degrees of freedom. I remember that a P value lower than .05 means that the difference between two averages is significant. The class also spent a good amount of the semester on probability. Overall, my memory of the material we learned in statistics class is hazy so reviewing the basics will be beneficial to this class.
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