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Histograms are used to show numerical information in graphic form. They usually follow a bar-graph format. When the results of a study or a survey are transferred into graphic form, it makes it easier for readers to analyze the data and understand the... More »
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Source: www.ehow.com

en.wikipedia.org/wiki/Histogram

A histogram is an accurate graphical representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable ...

www.mathsisfun.com/data/histograms.html

Histogram: a graphical display of data using bars of different heights. Histogram. It is similar to a Bar Chart, but a histogram groups numbers into ranges. And you  ...

A histogram is a graphical display of data using bars of different heights. In a histogram, each bar groups numbers into ranges. Taller bars show that more data ...

Histograms let you see the frequency distribution of a data set. Learn how and when to use histograms to visualize data.

statistics.laerd.com/statistical-guides/understanding-histograms.php

Histograms - Understanding the properties of histograms, what they show, and when and how to use them | Laerd Statistics.

onlinestatbook.com/2/graphing_distributions/histograms.html

A histogram is a graphical method for displaying the shape of a distribution. It is particularly useful when there are a large number of observations. We begin with  ...