Titlebook: Study Guide for Statistics for Business and Financial Economics; A Supplement to the Ronald L. Moy,Li-Shya Chen,Lie Jane Kao Textbook 2015

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Numerical Summary Measures, used to compare different sets of data or to compare a single observation with the entire set of data. For example, suppose an instructor is teaching two courses in statistics. If you were simply to look at all the scores from each class, it would be difficult to say anything about the performance