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A search of MERLOT materialsCopyright 1997-2016 MERLOT. All rights reserved.Tue, 9 Feb 2016 23:34:47 PSTTue, 9 Feb 2016 23:34:47 PSTMERLOT Search - userId=32344&nosearchlanguage=truehttps://www.merlot.org/merlot/images/merlot.gif
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4434Simulating Confidence Intervals
https://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.Mon, 9 Oct 2006 11:08:11 -0700Confidence Intervals
https://www.merlot.org/merlot/viewMaterial.htm?id=245307
This applet generates confidence intervals for means. Users can set the confidence level to .8, .9, .95, or .99 and can sample one or 50 times at once. The applet shows the normal distribution with the mean shown as a green line. Confidence intervals shown in black contain the true mean, while those that do not are shown in red. The applet keeps track of the number of intervals generated, the number that contain the mean, and the percent that contain the mean.Tue, 13 Mar 2007 12:31:03 -0700Maximum Likelihood
https://www.merlot.org/merlot/viewMaterial.htm?id=221186
This resource introduces maximum likelihood estimation and provides several applets to illustrate this concept.Mon, 9 Oct 2006 09:28:46 -0700Reese's Pieces Samples
https://www.merlot.org/merlot/viewMaterial.htm?id=221206
This applet allows users to simulate sampling from a bag of Reese's Pieces. The computer keeps track of each sample and estimates the proportion of orange pieces. Users can set the sample size, number of samples, and population proportion of orange pieces. A dotplot of the sample proprotions is shown.Mon, 9 Oct 2006 10:58:15 -0700Simulating Binomial Distribution
https://www.merlot.org/merlot/viewMaterial.htm?id=221212
This applet simulates drawing samples from a binomial distribution. Users set the population proportion, sample size, and number of samples. The applet shows the corresponding histogram each time a sample is drawn. Users can also count the number of successes above or below a certain value or view the theoretical values for the distribution.Mon, 9 Oct 2006 11:03:33 -0700Dotplot Summaries
https://www.merlot.org/merlot/viewMaterial.htm?id=221200
This applet allows users to generate dotplots by clicking the resample button and then guess the mean, median, standard deviation, and interquartile range.Mon, 9 Oct 2006 10:53:35 -0700What Makes Kids Popular
https://www.merlot.org/merlot/viewMaterial.htm?id=233072
This data file comes from the Data and Story Library (DASL). It gives eleven characterisitcs of 478 students in grades 4-6 and asks students to determine which characteristics make a person popular. Students will use mean ranks and summary statistics when analyzing this dataset.Tue, 2 Jan 2007 13:53:34 -0800Tools for Teaching and Assessing Statistical Inference: Sampling SIM
https://www.merlot.org/merlot/viewMaterial.htm?id=242444
This website helps students learn concepts underlying statistical inference, through the simulation software, Sampling SIM. This software lets students explore sampling distributions by building population distributions, taking random samples, and exploring the behavior of sampling distributions and confidence intervals. The site includes instructional modules and assessment instruments. Key words: measures of center, sampling, sampling distribution, confidence interval, p-values, powerThu, 22 Feb 2007 07:16:53 -0800Draft Lottery
https://www.merlot.org/merlot/viewMaterial.htm?id=233083
This data file comes from the Data and Story Library. It contains the 1970 draft data including month, day of month, day of year, and draft number. Students will use scatterplots and correlation to see if there is a relationship with birthdate and draft number. On first glance, there appears to be no relationship, but looking at side-by-side boxplots reveals an interesting twist. The data set is in text format.Tue, 2 Jan 2007 14:00:20 -0800P-Value of a Test of Significance
https://www.merlot.org/merlot/viewMaterial.htm?id=245313
This applet illustrates the p-value of a test of significance for means. Users set the null and alternative hypotheses, sample size, and standard deviation. The applet allows users to use the mean of data they have already collected or to generate a random sample of data based on a population mean. The normal distribution is shown and the p-value is highlighted in yellow.Tue, 13 Mar 2007 12:38:59 -0700