 Instituto Brasileiro de Geografia e Estatística (IBGE)
The Brazilian agency that collects statistical and geographic information. "Brazil in Brief," short articles with graphs and/or data tables for key socioeconomic topics; the "Minimum National Social Data Set," a set of information following United Nations
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 Instituto Nacional de Estadística e Informática (INEI)  Perú
El Instituto coordina las actividades estadísticas e informáticas oficiales del Perú. Notas de Prensa; Capacitación (Escuela Nacional de Estadística e Informática y Capacitación a Distancia con cursos para el Censo);
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 Instituto Nacional de Estadística, Geografía e Informática (INEGI)  Mexico
The government agency that provides statistical and geographic information for the country of Mexico. Introduction to Mexico; tables, articles, and maps of geographic, population, and economic information; structure and modernization of the department.
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 Instituto Nacional de Estadística (INE)  Spanish Statistical Institute  España  Spain
El INE realiza operaciones estadísticas de gran envergadura: censos demográficos y económicos; cuentas nacionales; el sistema de estadísticas demográficas y sociales; los indicadores económicos y sociales; la
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 Instituto Nacional De Estadística y Censos (INDEC)  República de la Argentina
The National Institute of Statistics and Census  the national statistics office of Argentina. Site includes a list of publications with ordering information and selected economic and social statistics, both local and national.
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 Instituto Nacional de Estadística y Censos (INEC)  República del Ecuador
El Instituto tiene las funciones de producir y difundir información estadística, económica, y social del Ecuador. Acerca del Instituto; Metodología; Datos Económicas, Vitales, Sociales, Salud, Censos, y Coyuntura; Catálogo
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 Instituto Nacional de Estatística (INE)  República de Bolivia
El Instituto tiene las funciones de: estudiar, compilar y difundir la información estadística de Bolivia. Introducciones de Bolivia y INE; Resumen Estadístico de Bolivia; Informacíion Estadística y Geográfica;
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 Intelligent Tutor Math Educational Software, Inc.
The programs in the Intelligent Tutor software series contain tutorials designed to help students learn and master Grades 712 math subjects. The programs are designed with school versions for use in schools, and home versions for individuals in selfstudy
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 The Interactive Mathematics Classroom  Rex Boggs
A digital library of thirdparty technology resources for teaching mathematics, from kindergarten to calculus. Register to comment on interactive whiteboard files, Powerpoints, TINspire documents, Excel spreadsheets, and other digital resources. RSS
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 Interactive Mathematics Miscellany and Puzzles  Alexander Bogomolny
"The peculiar beauty of Mathematics lies in deduction, in the dependency of one fact upon another. The less expected a dependency is, the simpler the facts on which the deduction is based  the more beautiful is the result." This awardwinning site offers
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 InteractiveMathTutor.com  Howard Heller
Fee services include oneonone tutoring, email helper, phone helper, and homework helper. Register for free worksheets and solutions. Math subjects include elementary math, algebra, geometry, trigonometry, integrated math, calculus, statistics, and
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 Interactives  Annenberg Media
Interactives from Annenberg Media provides educators and students with strategies, content, and activities that can enhance and improve students' skills in math, science, history, arts, and language. Math topics include: Geometry 3D Shapes, Math in Daily
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 Interactive Statistical Calculation Pages  John C. Pezzullo
Links to free statistics software, online statistics books, tutorials, downloadable software, and related resources. Selecting the right kind of analysis; online software package websites; calculators, plotters, function integrators, and interactive programming
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 Interactive Tests  Ron Knott
Ron Knott has begun producing Mathematics A and AS Level tests for the independent UK curriculum development body, Mathematics in Education and Industry. The webbased format of the tests let you view a problem and then: choose an answer from a multiple
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 International Association for Statistical Computing
Membership information, list of conferences, and a 3D Java applet of the normal distribution.
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 The International Association for Statistical Education  Department of Statistics, University of Auckland
An international umbrella organization for statistics education, the International Association for Statistical Education (IASE) promotes, supports, and improves statistical education at all levels everywhere around the world. Download or read the Statistics
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 International Association for Statistical Education (IASE) 2004 Roundtable  Gail Burrill
IASE 2004, 6/28/047/3/04, Lund University in Lund, Sweden. A roundtable whose goal is to bring together a small panel of international experts to discuss curricular development in statistics education and produce a monograph.
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 International Conference on Technology in Collegiate Mathematics (ICTCM) (Mathematics Archives)  Przemyslaw Bogacki, Managing Editor
Home site of the Electronic Proceedings of the International Conference on
Technology in Collegiate Mathematics (EPICTCM), an annual conference sponsored by AddisonWesley (on this site are conferences from 19941998). Papers are presented through an
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 International Statistical Institute (ISI)
An organization for the development and improvement of statistical methods and their application throughout the world. Newsletter, publications, membership information, declaration of professional ethics, and calendar of events.
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 Internet congestion stirs up data storms  Ivars Peterson  Science News Online
Frequent spikes of high activity occurring at random times and typically lasting a fraction of a second punctuate Internet traffic.
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 Internet Glossary of Statistical Terms  Howard S. Hoffman
Glossary contents are arranged in suggested learning order, and alphabetical order: Alpha; Beta; Central Limit Theorem; Confounding Factor; Correlation; F Test; Histogram; Mean; Median; Mode; Normal Distribution; Null Hypothesis; Parameter; Population;
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 Internet Lessons  Susan Boone; GirlTECH '95, CRPC, RUSMP
Lessons with an Internet component, developed for GirlTECH'95, a program funded by CRPC Rice University and the RUSMP. A Functional Housing Market asks students to search the Internet for housing prices and compare them to the area of a house, thus deriving
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 Internet Projects for Elementary Statistics  Weiss; Addison Wesley Longman
Projects designed to help students understand statistics by analyzing real data and interacting with graphical demonstrations of statistical concepts. Each Web chapter provides a set of simulations, demonstrations, and other activities to supplement Elementary
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 Introduction to Descriptive Statistics (MSTE)  Jay Hill; University of Illinois at UrbanaChampaign (UIUC)
Designed for use in a classroom setting, these lessons use both handson and "virtual" activities to develop and establish the basic concepts of descriptive statistics. Topic pages include Mode, Median, Mean, Central Tendency, Variation, Range, Variance,
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 An Introduction to Kolmogorov Complexity and Its Applications  Li, Vigányi
2nd edition textbook on the subject, which can be ordered through the Web. A postscript file of contents is also available. The incompressibility method and Kolmogorov complexity is a versatile mathematical tool, a sharper relative of classical information
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 Introduction to Linear Models: Math 30  Therese A. Stukel; Dartmouth College
An introductory course covering simple linear regression, multiple regression, and analysis of variance, as well as statistical modelbuilding strategies. Regression diagnostics, analysis of complex data sets and scientific writing skills are emphasized.
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 An Introduction to Mathematica and the 'Birthday Problem' (MSTE)  Louie Beuschlein; University of Illinois at UrbanaChampaign (UIUC)
A unit for high school seniors in AP Statistics, to introduce students both to Mathematica and to the Monte Carlo method of solving probability problems, in particular, the "Birthday Problem." Using Mathematica's randomnumbergenerating capability along
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 Introduction to Probability, Statistics, and Random Processes  Hossein PishroNik
An open access peerreviewed textbook that introduces probability, statistics, and random processes to undergraduates. The author teaches and researches within the Department of Electrical and Computer Engineering at the University of Massachusetts Amherst.
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 Introductory Guide to Statistics  Allan Palmer; University of Queensland, Australia
A tutorial with study pages and illustrations. Topics: Chisquared, bias, ANOVA, distribution, standard deviation, ttest, regression, correlation, inferential/descriptive statistics.
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 Introductory Statistics: Concepts, Models, and Applications  David W. Stockburger; Southwest Missouri State University
A searchable Web text with associated exercises. Contents include: A Mayoral Fantasy; Does caffeine make people more alert?; Models; The language of algebra; Measurement; Frequency distributions; Comparing frequency distributions; Grouped frequency distributions;
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 Introductory Statistics Demonstrations  David Wallace; Ohio University
Animated problems illustrating basic statistics concepts such as Variance and Standard Deviation, ZScores, Sampling Distributions, Standard Error, Confidence Intervals, Power, and ANOVA. With a basic review of algebra and interactive problems and solutions
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 Investigating Linear Relationships: The Regression Line and Correlation (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. Interactive computerbased tools allow students the opportunity to manipulate numbers easily and investigate the relationships between data points and sets. This iMath Investigation uses an interactive
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 Irish Central Statistics Office (CSO)
Statistical information for the country of Ireland from the government body responsible for compiling Irish official statistics. Tables of important socioeconomic data, press releases and publications (available for download in PDF format), and ordering
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 Istituto Nazionale di Statistica (National Statistical Institute) (ISTAT)  Italy
The Italian government office in charge of collecting and distributing statistics. Introduction and history of the institute; report on Italy's current economic state; Italy in Figures, available for download as a PDF document; press releases. More
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 It's Fourth Down and What Does the Bellman Equation Say? A DynamicProgramming Analysis of Football Strategy  David Romer, Department of Economics, University of California, Berkeley
PDF download of David Romer's working paper. Reviewing almost 20,000 first quarter plays of National Football League regular season games, Romer analyzed fourth down decisionmaking and the rarelyquestioned consensus that it's better to punt than to
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 IXL Learning
IXL provides free online practice, organized by grade levels K8 and aligned to state standards. Choose one math skill from among the hundreds offered, and submit your answer. Respond incorrectly, and click on the "explanation" button to learn more; get
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 James P. Dildine  James P. Dildine
Interactive math lessons for exploring parabolas, triangle areas, Pythagorean triples, triangle angle sums (powered by a Cabri Java applet), cancer and mathematics (image analysis, and determining the area and perimeter of nonregular figures), systems
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 Java Applets for Power and Sample Size  Russ Lenth, The University of Iowa
Graphical interfaces for studying the power of statistical tests: confidence intervals for one proportion or one mean, tests of one proportion or comparing two proportions, onesample ttest (or paired t), twosample ttest (pooled or Satterthwaite),
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 Java Applets for Statistics  Shangrong Deng, Kai Qian, and XuYan Chen
A collection of applets that do calculations and provide illustrations for topics in elementary statistics: the sample space model, calculator (mean and deviation), multiplication rule for counting, permutations and combinations, tossing a balanced coin
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 Java Applets  STATLETS: NWP Associates, Inc.
Links to applets for Distributions (Histograms; Normal Approximation to Binomial; Normal Density; The T Distribution; Area Under Normal Curves; Z Scores & the Normal Distribution), Probability & Stochastic Processes (Binomial Probabilities; Brownian
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 Java at Xanadu  Jim Carlson, University of Utah
Applets for calculus and probability/statistics. There are calculus applets for experimenting with graphs of cubic polynomials, the arc length of graph of a cubic polynomial, and the area under the graph of a cubic polynomial. Probability and statistics
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 Java Boutique Educational Applets  internet.com Corp.
Investigate or download various Java applets, including 3D viewers, calculators, applets to graph functions or data, and simulations, such as the bell curve and fractals. The source code for many applets may also be downloaded; a few applets are shareware
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 Java Demos for Probability and Statistics  Chuck Stanton, Department of Mathematics, California State University, San Bernardino
Applets for hypergeometric distribution, Poisson distribution, normal distribution, proportions, confidence intervals for means, the central limit theorem, bivariate normal distribution, linear regression, and Buffon's needle. The introduction to probability
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 JMP: Statistical Discovery Software  SAS Institute
This program presents statistics in a graphical environment. Data tables are presented clearly in spreadsheet form and are dynamically linked to related graphs and tables. JMP offers six statistical analysis platforms including a 3D spin plot, as well
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 Jobs for Statisticians and Analysts  Data Shaping Solutions
Jobs in statistics and mathematical finance. A site for employers, recruiters, and applicants.
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 John Allen Paulos
John Allen Paulos is a mathematician and author of the books Mathematics and Humor, I Think, Therefore I Laugh, Innumeracy  Mathematical Illiteracy and Its
Consequences, Beyond Numeracy  Ruminations of a Numbers Man, A Mathematician Reads the Newspaper,and
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 John Conway's Game of Life  Stephen Stuart
The Game of Life is played on a field of cells, each of which has eight neighbors (adjacent cells). A cell is either occupied (by an organism) or not. The rules for deriving a generation from the previous one are these: Death  If an occupied cell has
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 Johnnie's Math Page  Johnnie Wilson
A directory of interactive math activities and tools for elementary and middle school children. The site is organized and presented so that children can easily find engaging and worthwhile math activities. The directory is organized by content: number,
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 Jones and Bartlett Publishers
Publisher of textbooks, professional and reference books, and multimedia products in a variety of disciplines including mathematics. Publications range from introductory to graduate level in the college market and from practitioners to specialists in
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 Joseph Mazur
Books by the professor emeritus of mathematics at Marlboro College: Enlightening Symbols: A Short History of Mathematical Notation and its Hidden Powers; Euclid in the Rainforest: Discovering Universal Truth in Mathematics; The Motion Paradox: The 2,500Year
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