POL222H1 Lecture Notes - Lecture 11: Forum Research, List Of Statistical Packages, Statistical Inference

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4 Dec 2016
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While pol222 concerns quantitative empirical research design, pol232 concerns data analysis methods. While linear regression will be examined again in pol232, pol232 will venture into statistical inference and teach one how to use statistical software: statistical inference forms the basis of one"s knowledge when using statistical software. Statistical software is a necessity due to the inherent complexity of statistics. Statistical inference is the means by which a theory applies to a demographic: the relationship within the population, based on relationships found in a random sample, is what statistical inference is. Statistical inference has three key methodologies: point estimation, interval estimation, hypothesis testing. In point estimation, a summary measure (number) is used to compute from a sample to estimate the characteristic of interest in the population in question. Point estimation example #1: justin trudeau"s declining public approval: the liberals have the support of 48% of canadians according to forum.

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