**A. What is a Histogram?**

A

*histogram*is "a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies."Refer definition from http://www.amathsdictionaryforkids.com/dictionary.html

**B. How do you Plot/Draw a Histogram?**

*Hint: Note the following*

.1 Data Range (its continuous not discrete)

.2 The x- and y- axes labels

.3 The interval of the histogram

**C. Shodor histogram activity**

Click here to manipulate a Histogram.

The Shodor histogram activity allows you to change the bin size for a data set and the impact on the curve.

**D. How do we analyse Histograms?**

Histograms allow us to analyze extremely large datasets by reducing them to a single graph

**source: http://quarknet.fnal.gov/toolkits/new/histograms.html**

**E. Question to PONDER and post your RESPONSES as comment**

What are the differences between Histogram and Bar Graphs?

You may refer to the following links

http://mathcentral.uregina.ca/QQ/database/QQ.09.99/raeluck1.html

http://www.differencebetween.net/science/difference-between-bar-graph-and-histogram/

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