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Algebra 1 - 4th Edition

Chapter 11: Statistics

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

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These sites apply to the entire chapter.

http://www.freemathhelp.com/Lessons/Algebra_2_Probability_and_Statistics_BB.htm
This page contains a video tutorial with notes covering an introduction to probability and statistics.

http://www.robertniles.com/stats/
This site defines the different components of statistics.

11.1 Measures of Central Tendency

http://www.regentsprep.org/regents/math/ALGEBRA/AD2/measure.htm
This page explains the measures of central tendency and has examples.

http://www.regentsprep.org/regents/math/ALGEBRA/AD2/Pmeasure.htm
This page contains word problems that practice the measures of central tendency.

11.2 Frequency Distributions and Histograms

http://www.sparknotes.com/math/algebra1/graphingdata/section2.rhtml
This page demonstrates how to make a frequency distribution and histogram from some sample data.

http://www.mathsisfun.com/data/frequency-distribution.html
This page describes frequency distributions made from data, and includes practice problems.

11.3 Dot Plots

http://www.regentsprep.org/Regents/math/ALGEBRA/AD4/scatter.htm
This page contains notes and a graph explains scatter plots.

http://staff.argyll.epsb.ca/jreed/math9/strand4/scatterPlot.htm
This site defines scatter plots and lines of best fit and has interactive graph applets on which to plot points.

11.4 Box Plots

http://www.purplemath.com/modules/boxwhisk.htm
This site explains quartiles and box-and-whisker plots through text and graphs.

http://www.regentsprep.org/regents/math/algebra/AD3/boxwhisk.htm
This page explains box-and-whisker plots and their quartiles and the special case.

11.5 Measures of Dispersion

http://simon.cs.vt.edu/SoSci/converted/Dispersion_I/activity.html
Java applets that interactively teach about measures of dispersion.

http://www.mathsisfun.com/data/standard-deviation.html
This page introduces variance and standard deviation, including practice problems.

11.6 Two-Way Frequency Tables

http://stattrek.com/statistics/two-way-table.aspx
This site delivers a tutorial on two-way frequency tables, with a practice problem.

http://www.mathsisfun.com/data/probability-events-conditional.html
This site presents and provides some practice problems for calculating the probability of simple events, and conditional probability.