Category Archives: Statistics

Real World Charts and Graphs

Image Source: http://www.pacificu.edu In this lesson we are looking at some real world graphs. The idea is to show people how different types of graphs can be useful for real life situations. First we take a look at Health and … Continue reading

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Stem and Leaf Plots

It is quite a bit of work to manually make a bar chart of a set of data results in a Mathematics Workbook. So in the 1960’s, John Tukey came up with a simplified version of the standard bar chart, … Continue reading

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Misleading Graphs

Image Source: http://www2.fiu.edu Graphs are often deliberately made misleading when put on TV or in Newspapers. The graph shown below is designed to make it look like after a small drop in unemployment, it started to go up and get … Continue reading

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Online Graph Makers

Microsoft Excel is great for making Charts and Graphs. However we can also use some free Graph makers on the Internet for doing most of the basic graphs we need for mathematics. In this lesson we look at How to … Continue reading

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Averages – Mean Median Mode

Image Source: Google Images In this lesson we look at how to calculate the Mean, Median, Mode, and Range. We then include a SlideShare presentation at the end that shows how to do these same calculations quickly using Microsoft Excel. … Continue reading

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