Sunday, August 23, 2015

HISTOGRAM

A histogram is a graphical representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable (quantitative variable) and was first introduced by Karl Pearson.

VIDEO:
 https://www.youtube.com/watch?v=sC7gjg9g3JU

IMAGE:
 https://en.wikipedia.org/wiki/Histogram

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