 Statistical Consultants Ltd  Dion Walker
Data analytics and other consulting services. See, in particular, the New Zealand company's blog, which dates back to 2010 with posts such as "Battle of Britain Casualty Data," "Gretl: A free alternative to EViews," "Life expectancy at birth versus GDP
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 Statistics Indonesia (Badan Pusat Statistik)  Republic of Indonesia
The statistics collection department of the government of Indonesia. Glossary of statistical terms, key socioeconomic figures for Indonesia by subject and region, census results, methodology information, and links to regional offices. Recent economic
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 The Statistics of M&Ms (SMILE)  Charlotte Goldwater, Kenwood Academy
A lesson for grades 112 designed to teach students to analyze the contents of a bag of M&Ms mathematically. From the Graphs and Visuals section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning
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 Statistics Sweden
Provides official statistics for the country of Sweden: population, key socioeconomic figures, press releases, and graphs of important data. More information, including an order form for timeseries information, is available in the Swedishlanguage version
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 Statistik Österreich (Statistics Austria)
Wilkommen bei Statistik Österreich; Presseinformation; Publikationskatalog; Fachbereiche (Text, Tabelle, und Grafik); Formulare/ Downloads. (The Austrian government agency in charge of statistics. Introduction to the agency; press releases; catalog
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 STIMATH  Software Techniques Inc.
An expression evaluation tool that generates plots from any programming environment  even a command line.
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 The Stony Brook Algorithm Repository  Steven S. Skiena; Dept. of Computer Science, SUNYStony Brook
A comprehensive collection of algorithm implementations for over seventy of the most fundamental problems in combinatorial algorithms. The problem taxonomy, implementations, and supporting material are drawn from Skiena's book The Algorithm Design Manual.
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 Students' Classroom  National Center for Education Statistics (NCES)
This site for students includes links to Find Your School; College Search; What Are Your Chances?; Create a Graph; Fun Facts; Games & Activities; Mascot Game; Quiz; Glossary; and References. See also Dare to Compare, which presents hundreds of questions
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 studio:ludens  Wouter Walmink and Alexander Rulkens
Free online tools that "let you play with your own creativity," designed by two Dutch industrial and interaction designers in Eindhoven. Create your own patterns with Repper; your own tessellating coasters with Epa:kato; your own fractals and other complex
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 Suspension Rates at U.S. Schools  Regents of the University of California
Bar graphs of suspension rates at the nation's schools, based on data from the U.S. Department of Education's Office for Civil Rights Data Collection. Select grades, state, and district(s) to see public school disciplinary information according to race,
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 TableTop Earthquakes  John C. Lahr
A demonstration of seismology for middleschool teachers and students that can be used to augment lessons in earth science (faulting, elastic rebound, plate motions), physics (forms of energy, elasticity, friction, magnetism, waves), math (graphing, logarithms,
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 Teacher Vision: Printables: Misleading Graphs  Scott ForesmanAddison Wesley; The Learning Network
Printable worksheet introducing students to some of the ways graphs can be misleading. PDF format.
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 Temperature (SMILE)  Patricia A. Calloway, Spencer Math and Science Academy
A lesson designed to teach students to read temperature on a Celsius thermometer; and to read and interpret bar graphs. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative
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 ThatQuiz  Andrew Lyczak
Practice integer and fraction arithmetic, inequalities, averages, exponents, factors, algebra, calculus, shapes, probability, place value, graphs, sets, trigonometry, and more. The site times and scores performance. Register for online administration
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 Three Common Graphs  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about three common graphs: bar graphs, histograms, and pictograms.
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 ticalc.org
The unofficial TIcalculator home page. A nonprofit, collaborative effort geared toward fans of Texas Instruments' graphing calculators, acting as a headquarters for all available information on the subject. It is also the home of ZShell and Fargo, assembly
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 Tides and Tide Prediction  Tony Phillips; Dept. of Mathematics, SUNYStony Brook
General information about tides and tide prediction: Priming/Lagging: a calculus with calculators exercise demonstrating the priming and lagging of the tides at Stony Brook. Samples of current tide predictions from the National Ocean Service. TideSounds:
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 THE TITANIC: What Can Numbers Tell Us About Her Fatal Voyage?  Todd Atkins, Barbara McManus; Louisiana State University
What do you know about the Titanic, its passengers, and its crew? This Webquest, designed for students who have some familiarity with the use of spreadsheets for creating tables and graphs and with the use of databases for gathering information, explores
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 Title III MSS Final Performance Report  Dana Lee Ling
Dana Lee Ling is a mathematics and science software specialist at the College of MicronesiaFSM. Articles document the College's attempts to increase the success of prealgebra and algebra students through "conceptual" and technologybased approaches.
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 To Classify Beans And Peas (SMILE)  Gwendolyn Williams, Adam Clayton Powell School
A lesson designed to teach students to identify five different kinds of beans and three different kinds of peas, to record information on a bar graph, and to
interpret the information given. From the Patterns and Logic section of a collection of almost
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 Tom Snyder Productions
Software for teachers who love to teach. Company information, free demos, catalog; free CD sampler; product descriptions, online classroom activities, professional development (including public seminars and onsite workshops), Technology Newsletter, and
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 Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation that illustrates the use of iteration, recursion, and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect
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 Using Diagrams in Problem Solutions (SMILE)  Angel L. Torres, Peabody School
A lesson for grades 78 designed to teach students to use tables, graphs, and diagrams to obtain information; and to construct tables, graphs, and diagrams to collect data. From the Patterns and Logic section of a collection of almost 200 single concept
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 Using Technology to Transform Mathematics Teacher Education: An Example from Graphing Instruction  Lisa Denise Murphy
An examination of how an example of a use of technology in mathematics education  microcomputerbased laboratory (MBL) work used to teach students about line graphs  fits Pea's framework (the effects of transformation are less predictable than those
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 Using the Balance (SMILE)  Marie Davis, Marconi Community Academy
A lesson designed to teach students to use an equal arm balance to determine the mass of an object by comparing it with the mass of objects whose mass in grams
is known; and to use graph paper to construct a bar graph. From the Algebra and Trigonometry
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 Variance and Covariance: How Much Money Do Baseball Players Really Make? (MSTE)  Ed Malczewski; University of Illinois at UrbanaChampaign (UIUC)
An exploration of idea of variance and how it is used in statistics. The average (mean) salary of a ballplayer in the majors leagues is $1.2 million dollars. Given only this fact, it is easy to see how the perception of the overpaid baseball player was
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 Vernier Software  Vernier Software
Products and services for classroom data collection. CalculatorBased Laboratory System (CBL) products, such as motion detectors, accelerometers, colorimeters, radiation monitors, and other sensors and curricular materials, allow students to collect and
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 VisualMath  Software And Engineering Co.
A graphic language for solving all types of problems, providing over 80 components, all of which are capable of using matrix input. Many dialogs are used to define properties. A special 3D plotter and table viewer show the results of the solution. VisualMath
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 Weather Watchers  Noelle Kreider, Instructional Technology Development Consortium (ITDC)
An Instructional Technology Development Consortium project, this WebQuest for K2 students explores concepts of weather including: short term weather changes; the influence of weather on daily human life; the effects of severe weather on human life; learning
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 WhelkCome to Mathematics: Using Rational Functions to Investigate the Behavior of Northwestern Crows (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation in which students use rational functions to explore the possible reasons behind the observation that northwestern crows consistently drop a type of mollusk called a whelk from a height of 5 meters.
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 ZapaGraph  Brain Waves Software
A graphing program for use in the teaching and learning of high school mathematics and Calculus. Features include the ability to transform any
relation, take the nth derivative of any function, and compose any two functions in nine different ways. The
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 Zunzun.com Online Data Modeling  James R. Phillips
Curve and surface fit 2D and 3D data online with a rich set of error histograms, error plots, curve plots, surface plots, and contour plots. The site also has a "Function Finder" to help determine the best equation to fit data.
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