POLI 210 Lecture Notes - Lecture 15: Chi-Squared Distribution, Linear Regression, Statistical Inference
3 Dec 2017
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Measures: regression coretion, tau-b, chi square: the mode: is the greatest category of a variable with the greatest frequency of observation. A certain party is the mode in this sample. Can be more than one modal value for a variable: bimodale, etc: median: we sometimes use it for analysis purposes. Want to compare students who do well in a test and. More used with variables in the ordinal level. Chi square, correlation coefficient, regression coefficient: positive,negative, no correlation, we want to say about the relationship of two varibales in a alrger population, ex: men and female participation in canadain politics, all canadians would be our pop. What other types of participation tho: concepts, populaiton: what is the population that i want to measure. How far do i want to generalize: parameter: number that describes the characteristics of our population. We do not know that: sample: subset of the population.
