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Unformatted text preview: 1 Descriptive Statistics 3/30/2011 Extra Credit Politopia or Political Compass Critique Measurement: what are they trying to measure? What are the challenges in doing so? What are the challenges in doing so? Survey design: what were potential problems? Overall assessment Numeric Data Organized in Data Matrix Array of rows and columns that stores the values of the cases. Row=case Row=case Column=variable Descriptive Statistics We describe variables using simple statistical information. Not usually for inference Usually univariate Not bivariate or multivariate Descriptive Statistics Values for each case General nature of variable Frequencies of values Typical value Dispersion Frequency Distribution Number of observations for each value of a variable. Tables Or Chart Or Charts 2 Frequency Distribution (1) View the Data (2) If many possible values, (4) Generate percentages (5) Label appropriately establish class intervals (3) Determine how many observations fall into each class...
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This note was uploaded on 06/06/2011 for the course POLI 301 taught by Professor Mcatee during the Spring '11 term at South Carolina.
- Spring '11
- Political Science