Bridges to Algebra and Geometry -
4th Edition

Chapter 2: Working with Data

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Some links are repeated for use with more than one lesson.

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This link applies to the entire chapter.

http://www.cvgs.k12.va.us:81/DIGSTATS/
This site has discussions and activities that involve many different types of statistics and graphs.

2.1 Measures of Central Tendency

http://www.robertniles.com/stats/
This site has definitions and examples of many statistical terms.

2.2 Line Plots and Frequency Tables

http://www.explorelearning.com/index.cfm?method=cResource.dspResourcesForCourse&CourseID=266
This site has examples and problems for the students to solve that relate to many ways of analyzing and displaying data.

2.3 Box-and-Whisker Plots

http://www.mathwarehouse.com/charts/box-and-whisker-plot-maker.php#boxwhiskergraph
This site includes a script to generate a box-and-whisker plot from given data.

http://www.regentsprep.org/regents/math/algebra/ad3/boxwhisk.htm
This site explains how to create box and whisker plots.

2.4 Bar Graphs and Histograms.

http://www.regentsprep.org/regents/math/algebra/ad3/organData.htm
This site explains how to bar graphs and histograms.

http://www.scienceacademy.com/BI/bar.htm
This site has practice problems for the students using bar graphs.

2.5 Line Graphs

http://www.mathsisfun.com/data/data-graph.php
Create and format line graphs, and other types, using your data values.

2.6 Scatter Plots

http://www.mathsisfun.com/data/scatter-xy-plots.html
This page shows examples of scatter plots of real data, attempts to draw a line of best fit, introduces the term “correlation,” and includes some practice problems.

http://www.regentsprep.org/Regents/math/ALGEBRA/AD4/scatter.htm
This page presents examples of correlations illustrated in scatter plots.

http://office.microsoft.com/en-us/excel-help/creating-xy-scatter-and-line-charts-HA001054840.aspx
This page highlights the differences between scatter plots and line graphs as produced in Microsoft Excel.

http://academic.brooklyn.cuny.edu/economic/friedman/scatterdiagramexcel.htm
This page provides instructions for creating a scatter plot in Microsoft Excel, as well as generating a line of best fit.

2.7 Misuses of Statistics

http://www.regentsprep.org/Regents/math/ALGEBRA/AD2/measure.htm
This site presents the mean, median, and mode, with some examples that compare their effectiveness.

Bridges to Algebra and Geometry - 4th Edition