Statistical Sciences 2035 Lecture Notes - Lecture 1: Statistical Inference, Descriptive Statistics, University Of Western Ontario
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28 Sep 2016
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Statistics is the science of collecting, organizing, summarizing and interpreting numerical facts, which we call data. * we need to keep in mind where the data comes from and how it was collected. Organizing data raw data does not tell us anything the data may first need to be organize in a table. * data organized in a table may not tell us anything. * best to display the data in a graph (chapter 2) * data can then be further summarized with specific numerical values such as the average or a number representing how spread out the data are (chapter 3) Analysis of the data and interpreting your results. * analyze the data using the appropriate statistical method(s) * chapters 8, 9, 10, 11, 12, 13, 14 and 16 discuss these questions in more detail. However, prior to getting to the statistical analysis part of the course, we must first discuss probability.