# Bridges to Algebra and Geometry - 4th Edition

## Chapter 2: Working with Data

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

### 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.

This site explains how to create box and whisker plots.

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.

### 2.4 Bar Graphs and Histograms.

This site explains how to bar graphs and histograms.

This site has practice problems for the students using bar graphs.

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.

### 2.5 Line Graphs

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

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.

### 2.6 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://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.