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Distribución de frecuencias
Basic analysis of information begin with visual displays, these let us to organise and perform frecuency counts. Also we can use graphics and tables to present the information, all these tools can be more useful, when we ...
Introducción a la estadística
Statistics is a very useful tool for us, in every activity in life, we usually need information and data for taking intelligent decisions, and statistics give us the opportunity to do so. First we need to know some basics ...