Tutorial para medidas de variabilidad para datos agrupados y no agrupados

Medidas de Variabilidad para datos agrupados y no agrupados

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https://www.youtube.com/watch?v=YWlpgoL0w3Q
Autor: Maestro Corpus

https://www.youtube.com/watch?v=6BZCZIVYEs4
Autor: Matemáticasyeso