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Data Collection -- Sampling and Survey Issues -- Survey Methods

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View Resource Bar Chart Java Examples

This applet allows the user to enter data to create a bar chart

http://chartworks.com/examples/javaexamples/BarChart7.html
View Resource Binomial Probabilities

The page will calculate the following: Exact binomial probabilities, Approximation via the normal distribution, Approximation via the Poisson Distribution. This page will calculate and/or estimate binomial probabilities for situations of the general "k out of n" type, where k is the number of times a binomial outcome is observed or stipulated to occur, p is the probability that the outcome will...

http://faculty.vassar.edu/lowry/binomialX.html
View Resource Central Limit Theorem

Illustrates the central limit theorem by allowing the user to increase the number of samples in increments of 100, 1000, or 10000.

http://faculty.vassar.edu/lowry/central.html
View Resource Chi-Square Sampling Distribution Generator

This page generates a graph of the Chi-Square distribution and displays the associated probabilities. Users enter the degrees of freedom (between 1 and 20, inclusive) upon opening the page.

http://faculty.vassar.edu/lowry/csqsamp.html
View Resource Confidence Intervals for Means

This applet simulates finding confidence intervals for the mean of a normal random variable. A sample of size 20 is generated from a standard normal random variable. The blue marks represent the sample data. The sample mean X and sample standard deviation s are found and used to calculate the confidence interval. The black intervals are the confidence intervals which include the true mean 0, and...

http://www.math.csusb.edu/faculty/stanton/probstat/confidenc...
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