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Descriptive statistics is the discipline of quantitatively describing the main features of a collection of information, or the quantitative description itself.escriptive status provides simple summaries about the sample and about the observations that have been made. Such summaries may be either quantitative, i.e. summary statistics, or visual, i.e. simple-to-understand graphs.
Quantitative analysis may refer to: 1  Quantitative analysis (finance), an analysis technique applying mathematics (stochastic calculus) to finance. 2  Quantitative analysis (chemistry), in analytical chemistry, the measurements of quantities of substances produced in reactions rather than simply noting the nature of the reactions.