CMNS 260 Lecture Notes - Lecture 10: Standard Deviation, Dependent And Independent Variables, Multivariate Analysis
9 Nov 2017
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Multivariate will not be on quiz #2. Quantitative analysis the numerical representation and manipulation of observations for the purpose of describing and explaining the phenomena that those observations reflect (page 364) Data set a collection of quantitative measurements where the numbers are organized by variables and cases (page 364) Univariate analysis the analysis of a single variable, for purposes of description. Frequency distributions, averages, and measures of dispersion would be examples of univariate analysis, as distinguished from bivariate and multivariate analysis (page 369) Frequency distribution a description of the number of times the various attributes of a variable are observed in a sample. The report that 53 percent of a sample were men and 47 percent were women would be a simple example of a frequency distribution (page 371) Average an ambiguous term generally suggesting typical or normal a central tendency. The mean, median, and mode are specific examples of mathematical averages (page 371)
