POLSCI 3NN3 Lecture Notes - Lecture 2: Univariate, Descriptive Statistics, Statistical Inference
9 Jan 2017
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Get a calculator (has to be able to do sq. root) The text"s prologue has sample bedmas questions for a refresher. Mdlc 1110 is the new, permanent room. Political science 2nn3 2017 lecture 2a: level of measurement. Different stats analyse diff types of variables. Variable is a characteristic or trait that differs across different cases. They describe the patterns in your data: summarizes the distribution of a particular variable. Lets one see patterns: univariate statistics (p. 16) Measures of dispersion how spread out are the scores of a given variable: measures of association. Looks at the relationship between two variables. Tells at what the relationship is, strength, and direction. Used to infer (hence: inferential: generalize findings, h&p ch 1 p. 18. They allow us to explore the probability that what we found to be the case in our sample. Is true of the larger population from which the sample was drawn.
