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A search of MERLOT materialsCopyright 1997-2015 MERLOT. All rights reserved.Sun, 29 Mar 2015 07:48:56 PDTSun, 29 Mar 2015 07:48:56 PDTMERLOT Search - userId=22432http://www.merlot.org:80/merlot/images/merlot.gif
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4434Scatterplot 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.Interactive Games & Demonstrations
http://www.merlot.org/merlot/viewMaterial.htm?id=85340
This interactive applet provides a variety of statistical demonstrations including an interactive scatterplot and histogram, wavelet and fourier games, Monty Hall and Galton board gamesSPSS Class Notes
http://www.merlot.org/merlot/viewMaterial.htm?id=85356
This online lecture is designed for people just starting to use SPSS. The user will have a hands-on experience using SPSS for doing statistics, graphics, and data management.Inference for Means Activity
http://www.merlot.org/merlot/viewMaterial.htm?id=238901
This activity enables students to learn about confidence intervals and hypothesis tests for a population mean. It focuses on the t-distribution, the assumptions for using it, and graphical displays. The activity also focuses on how to interpretations a confidence interval, a p-value, and a hypothesis test.Interactive Distributions
http://www.merlot.org/merlot/viewMaterial.htm?id=85251
This applet displays various distributions and allows the user to experiment with the parameters to see the effects on the curve.SOCR Modeler
http://www.merlot.org/merlot/viewMaterial.htm?id=85342
The SOCR Modeler allows the user to compare data with typical statistical models such as the beta distribution, exponential, gamma, Poisson, etc. The user can adjust the bin ranges for the data comparison.Virtual Experiments and Demonstrations
http://www.merlot.org/merlot/viewMaterial.htm?id=85336
This applet provides the user with a variety of statistical distributional and probability experiments. The user can change parameters and data respectively within the applet and view a representation of these affects on the given distribution.General Central Limit Theorem (CLT) Activity
http://www.merlot.org/merlot/viewMaterial.htm?id=236831
This activity represents a very general demonstration of the effects of the Central Limit Theorem (CLT). The activity is based on the SOCR Sampling Distribution CLT Experiment. This experiment builds upon a RVLS CLT applet (http://www.ruf.rice.edu/~lane/stat_sim/sampling_dist/) by extending the applet functionality and providing the capability of sampling from any SOCR Distribution. Goals of this activity: provide intuitive notion of sampling from any process with a well-defined distribution; motivate and facilitate learning of the central limit theorem; empirically validate that sample-averages of random observations (most processes) follow approximately normal distribution; empirically demonstrate that the sample-average is special and other sample statistics (e.g., median, variance, range, etc.) generally do not have distributions that are normal; illustrate that the expectation of the sample-average equals the population mean (and the sample-average is typically a good measure of centrality for a population/process); show that the variation of the sample average rapidly decreases as the sample size increases.Quantitative Data Activity
http://www.merlot.org/merlot/viewMaterial.htm?id=238910
This activity explains the important features of a distribution: shape, center, spread, and unusual features. It also covers how to determine the difference between mean and median, and their respective measures of spread, as well as when to apply them to a particular distribution. Graphical displays such as: histograms and boxplots are also introduced in this activity. The corresponding data set for this activity is found at the following web address: http://www.causeweb.org/repository/ACT/food.txtSample Survey Activity
http://www.merlot.org/merlot/viewMaterial.htm?id=238914
This activity stresses the importance of writing clear, unbiased survey questions. It explore the types of bias present in surveys and ways to reduce these biases. In addition, the activity covers some basics of surveys: population, sample, sampling frame, and sampling method.