SOC 3142 Study Guide - Midterm Guide: Interval Ratio, Statistic, Box Plot
5 Nov 2016
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Document Summary
A (cid:498)variable(cid:499) is (cid:498)any trait that can change values from case to case(cid:499) One event does not affect the probability of another event (cause) One event does affect the probability of another event (effect) Descriptive = univariate, bivariate and multivariate (have the data and explain it) Inferential allow us to generalize our findings from a sample to a population or to make mathematically sound inferences about population characteristics, on the basis of sample characteristics. Defined as a term used to describe the relationship between response categories in any variable. The three main levels of measurement are: They are non numerical meaning they cannot be ranked or mathematically manipulated. Bar and pie charts are used to display this variable. Married, single, divorced, common law etc. (these cannot be ranked in any way) However, the precise distance between the variable values is unknown. Bar and pie charts are useful to display the variable. Example of ordinal variable, household income groups.
