SOCIOL 2Z03 Lecture Notes - Lecture 9: Statistical Inference, Regression Analysis, Descriptive Statistics
29 Nov 2016
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*typically, this involves drawing conclusions about a population from the study of a sample drawn from it. Descriptive statistics definition: statistical computations describing either the characteristics of a sample or the relationship among variables in a sample. Descriptive statistics merely summarize a set of sample observations. Inferential statistics move beyond the description of specific observations to make inferences about the larger population from which the sample observations were drawn. would take a random sample and use inferential statistics. If i want to describe the typical age of this class, i would use descriptive statistics. If i want to measure the average age of all mcmaster students, but don(cid:495)t have funds/ability to survey all students, i. Descriptive statistics also tell us something about the relationship between 2 or more variables in a sample. Regression analysis definition: a method of data analysis in which the relationships among variables are represented in the form of an equation, called a regression equation.
