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4434Rossman/Chance Applet Collection (Statistics/Probability)
http://www.merlot.org/merlot/viewMaterial.htm?id=89688
A collection of applets designed to illustrate various topics in statistics and probability. Topics include Simulating Confidence Intervals for Population Parameter, Behavior of Regression Line, Reeses Pieces, Histogram Bin Width, Sampling Senators, Sampling Pennies, Dotplot Summaries, Guess the Correlation.StatCrunch
http://www.merlot.org/merlot/viewMaterial.htm?id=74665
The package was created to solve many of the problems which exist with the delivery and use of modern statistical software. Many times statisticians develop procedures in languages such as Splus, SAS, Minitab, etc.., which are very specific to statisticians. Students and other potential users may not have access to these languages, and therefore may not be able to use the procedures. By using Java and the World Wide Web, StatCrunch should reach the broadest possible audience of any statistical software of its kind. StatCrunch was chosen as the 2005 Classics Award winner for the Statistics discipline for several reasons. StatCrunch allows any student with internet access the ability to have a reasonably full featured statistical analysis program for minimal cost. This means that students who are taking courses through distance education can now have the same software as students on campus. Students who are working on a statistics assignment at home can now have the same software as they would in a lab on campus. We also believe that StatCrunch represents the beginning of a paradigm shift. As time moves forward we believe that most introductory statistics courses will be taught not with installed software but with internet based software. It is proof that the major obstacles that stand in the way of integrating statistical software into the introductory classroom can be surmounted.Visual Analysis of Variance (ANOVA)
http://www.merlot.org/merlot/viewMaterial.htm?id=89485
Visual ANOVA is an interactive Flash program which demonstrates visually how variability between and within experimental groups contributes to the F ratio in the Analysis of Variance. It is not a numerical calculator; rather it visually and holistically demonstrates the relations among important concepts. Visual ANOVA is supported by online instructions and by an extensive online lecture explaining the theory behind the Analysis of Variance. The online lecture is supported by two types of assignments: 1) Online computer-graded homework, and 2) A pdf file that gives students the opportunity to do handwritten homework problems with answer keys.Guessing Correlations
http://www.merlot.org/merlot/viewMaterial.htm?id=74393
Demonstrates Correlation Coefficients in Statistics.Simulating Confidence Intervals
http://www.merlot.org/merlot/viewMaterial.htm?id=221221
This applet allows users to generate confidence intervals for either means or proportions. Users set the parameters including the number of samples and click "Sample." The applet graphs the intervals such that intervals containing the true mean or proportion are in green, while intervals not containing the true mean or proportion are in red. The true mean or proportion is shown by a blue line.Interactive Mathematics--Probability
http://www.merlot.org/merlot/viewMaterial.htm?id=79173
This site contains an extensive collection of java applets involving probability miscellany and puzzles. Written by Alexander Bogomolny, these applets are designed to engage the reader in interactive investigations. Background material is provided and the site serves as an excellent educational resource.Normal Distribution Calculator
http://www.merlot.org/merlot/viewMaterial.htm?id=79523
Given a mean and standard deviation, this applet illustrates the normal distribution and the probability between two given values.The Binomial, Normal, and Poisson Distributions Compared
http://www.merlot.org/merlot/viewMaterial.htm?id=78577
This applet graphs the Poisson and normal approximations to a specified binomial distribution. The user may select the values of n and p to be used.Utah Virtual Lab for teaching Science, Methods, and Statistics
http://www.merlot.org/merlot/viewMaterial.htm?id=89373
The Utah online Virtual Lab is a JAVA program run dynamically off a database. Instructors author a statistical virtual reality simulating theories and data in a specific research focus area by defining independent, predictor, and dependent variables and the relations among them. Students work in an online virtual environment to discover the principles of this simulated reality: they go to a library, read theoretical overviews and scientific puzzles, and then go to a lab, design a study, collect and analyze data, and write a report. A student's design and data analysis decisions are computer-graded and recorded in a database; the written research report can be read by the instructor or by other students in peer groups simulating scientific conventions.Scatterplot and Correlation Coefficient
http://www.merlot.org/merlot/viewMaterial.htm?id=85674
This is a collection of interactive scatterplots. The simulations display the regression line and allow the usere to change the location of data points, the slope of the regression line, the correlation coefficient, and sample size, as well as it provides rollover help.