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Statistics is the science that, using methods of logical and mathematical nature, elaborates, analyzes
and interprets numerical or numerable data, in order to describe collective phenomena or in order to apply
the description of some phenomena, observed and analyzed, to other phenomena of the same type, not
still observed. The laws of statistics are applied to many addresses, creating new fields of surveying, as,
for example, the Economic Statistics. Today statistics are an indispensable element in the informative
system of every democratic society, in order to improve the life of who lives in such societies. Some
characteristics of statistical sciences are the basing themselves on the quantitative analysis of the information
and the objectivity, so that everithing is measured and estimated with mathematical rules, often based
on the calculation of probabilities. The use of statistical techniques is applied just nearly in all the fields
of the economy and science. Also Medical Sciences and Pharmacology profits from this.
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