STAT 2004 Lecture Notes - Lecture 2: Contingency Table, Ap Statistics
14 Oct 2018
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Chapters ii, iii: data & describing and displaying categorical data. The five questions help contextualize a given set of data. The who" and what" of data are the most essential part of contextualization. One should draw a picture for each of these three steps. Frequency tables making piles/categorize your data. Example: counting the republican voters in virginia"s 10th congressional district. Example: enlarging jurisdictions within virginia"s 10th congressional district with larger populations to illustrate a distorted map. Bar charts effectively display the data to make it easy for the reader to make comparisons. Pie charts effectively display the date to illustrate the percentages of each category. Contingency tables a table which illustrates how certain individuals are distributed among each variable, contingent on the value of the other variable along another axis. Marginal distribution when all data is presented in a contingency table. Conditional distribution only certain individuals who satisfy some condition on another variable.
